Wonderwall.com rounded up the best celebrity PDA moments of 2021, starting with this gorgeous pair… Reunited loves Jennifer Lopez and Ben Affleck shared a passionate kiss on a New York City street on Sept. 26.
Keeping reading to see more celeb PDA…
RELATED: Celebs who got engaged in 2021
And just like that, the world learned that Harry Styles and Olivia Wilde were a new couple when they were photographed holding hands as they headed to a wedding — the music star officiated at his manager's intimate nuptials — in Montecito, California, on Jan. 6.
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Megan Fox and Machine Gun Kelly shared a kiss after police pulled him over for not wearing a helmet while riding his motorcycle in Los Angeles on June 1.
RELATED: Celeb couples' red carpet debuts
Paris Hilton kissed fiancé Carter Reum on the red carpet at the "This Is Paris" premiere during the 20th Tribeca Festival at Hudson Yards in New York City on June 20.
Chip Gaines planted a smooch on wife Joanna Gaines' cheek at SiriusXM Studios in New York City on July 14.
Tampa Bay Buccaneers quarterback Tom Brady kissed wife Gisele Bundchen after defeating the Kansas City Chiefs in the NFL's Super Bowl LV game in Tampa, Florida, on Feb. 7.
Zooey Deschanel cuddled up to boyfriend Jonathan Scott at the Baby2Baby 10-Year Gala presented by Paul Mitchell in West Hollywood on Nov. 13.
Kourtney Kardashian slipped boyfriend Travis Barker some tongue on the 2021 MTV Video Music Awards red carpet — their first as a couple — in New York City on Sept. 12.
Rihanna and boyfriend A$AP Rocky cuddled up on the set of a music video in New York City on July 10.
Three months after welcoming their first child together, son Cosmo, Scarlett Johansson cuddled up to husband Colin Jost at the 35th Annual American Cinematheque Awards — during which she was honored — at the Beverly Hilton in Beverly Hills on Nov. 18.
Devin Booker of the NBA's Phoenix Suns kissed and hugged supermodel girlfriend Kendall Jenner after the Suns defeated the Los Angeles Lakers 115 to 110 at Staples Center in Los Angeles on Oct. 22.
"Dancing with the Stars" pro Sharna Burgess got a big kiss from boyfriend Brian Austin Green at the 2021 World Choreography Awards at the Globe Theatre Los Angeles on Dec. 13.
Chris Henchy and Brooke Shields kissed at the Artists for Artists Party and Auction to benefit the New York Academy of Art at Sotheby's in New York City on Dec. 14.
Sarah Hyland kissed fiancé Wells Adams on the red carpet at the People's Choice Awards at Barker Hangar in Santa Monica, California, on Dec. 7.
Prince Harry and Duchess Meghan held hands as they arrived at the 2021 Salute To Freedom Gala at the Intrepid Sea-Air-Space Museum in New York City on Nov. 10.
Tarek El Moussa kissed new wife Heather Rae El Moussa on the red carpet at the People's Choice Awards at Barker Hangar in Santa Monica, California, on Dec. 7.
Justin Bieber and wife Hailey Bieber shared a smooch on the Greek island of Milos on June 28.
Social media superstar and "Dance Moms" alum JoJo Siwa kissed girlfriend Kylie Prew at a drive-in screening and performance celebrating the release of her Paramount+ original movie "The J Team" at the Rose Bowl in Pasadena, California, on Sept. 3.
Sandra Lee, 55, and her hot new fiancé, 42-year-old interfaith leader and actor Ben Youcef, went in for a kiss at New York City's Central Park on Nov. 14.
George Clooney affectionately put an arm around wife Amal Clooney's waist as they returned to the red carpet to attend a Tastemaker Screening of Amazon Studios' "The Tender Bar" — which George directed — in Los Angeles on Oct. 3.
"Tick, Tick… Boom!" and "The Amazing Spider-Man" star Andrew Garfield held hands with Sports Illustrated Swimsuit Issue model Alyssa Miller — who previously dated "Spider-Man: Far From Home" villain Jake Gyllenhaal — while on a stroll through New York City's SoHo neighborhood on Nov. 16.
Gabrielle Union and Dwyane Wade shared a kiss as they arrived at an airport in Martha's Vineyard in Massachusetts on Aug. 8 to attend former President Barack Obama's 60th birthday party.
Cash Warren put the squeeze on wife Jessica Alba at the Baby2Baby 10-Year Gala presented by Paul Mitchell in West Hollywood on Nov. 13.
Halle Berry locked arms with boyfriend Van Hunt as they shared the look of love on the red carpet at the 27th Annual ELLE Women in Hollywood Celebration in Los Angeles on Oct. 19.
Joe Jonas held hands with wife Sophie Turner as they left the "Saturday Night Live" afterparty at L'Avenue in New York City in the early morning hours of Nov. 13.
Nicole Kidman caressed husband Keith Urban during "Loretta Lynn's Friends: Hometown Rising," a benefit concert in Nashville, on Sept. 13.
Simon Cowell and Lauren Silverman kissed on the red carpet at the Shooting Star Ball in London on Nov. 12.
Rose Leslie and husband Kit Harington were all smiles as they held hands during a romantic walk in New York City on July 6.
Chelsea Handler and new boyfriend Jo Koy held hands during a walk in Manhattan's TriBeCa area on Oct. 6.
Maren Morris and husband Ryan Hurd go in for a kiss on the red carpet at the 55th Annual Country Music Association Awards at the Bridgestone Arena in Nashville on Nov. 10.
Scheana Shay kissed fiancé Brock Davies — whose problematic past has become a source of contention among the cast on the current season of "Vanderpump Rules" — during the 38th Breeders' Cup World Championships at Del Mar Racetrack in Del Mar, California, on Nov. 6.
Mariska Hargitay and husband Peter Hermann cuddled up on the red carpet at the Glamour Women of the Year Awards — where she was honored as one of the women of the year! — in New York City on Nov. 8.
Louie Ruelas kissed new fiancée Teresa Giudice outside Caroline's on Broadway in New York York City, where her brother Joe Gorga had a stand-up comedy show, on Oct. 27.
Filmmaker Quentin Tarantino kissed wife Daniella Pick on the red carpet at his lifetime achievement award ceremony during the Rome Film Festival in Italy on Oct. 19.
Natalie Portman and husband Benjamin Millepied held hands while posing together on the red carpet at the annual L.A. Dance Project gala with Casamigos tequila in Los Angeles on Oct. 16.
Niecy Nash kissed wife Jessica Betts on the red carpet at the Critics Choice Association's Fourth Annual Celebration of Black Cinema & Television at the Fairmont Century Plaza in Los Angeles on Dec. 6.
Javier Bardem kissed wife Penelope Cruz during the closing ceremony of the 78th Venice International Film Festival in Italy on Sept. 11.
Kumail Nanjiani got a big kiss from screenwriter wife Emily V. Gordon at the premiere of his Marvel Studios film "Eternals" at the El Capitan Theatre in Hollywood on Oct. 18.
Gloria Estefan got a kiss from her husband of 43 years, Emilio Estefan, as they arrived on the red carpet at the 22nd Annual Latin Grammy Awards at the MGM Grand Garden Arena in Las Vegas on Nov. 18.
Italian actor and pop star Benjamin Mascolo kissed fiancée Bella Thorne on the cheek at the Rome Film Festival premiere of their film "Time Is Up" in Italy on Oct. 16.
Becky G got a kiss from her boyfriend, soccer star Sebastian Lletget, after she was announced as the winner of the favorite female Latin artist prize at the 2021 American Music Awards at the Microsoft Theater in Los Angeles on Nov. 21.
"Fifty Shades" franchise star Jamie Dornan held hands with wife Amelia Warner as they posed together on the red carpet at the BFI London Film Festival premiere of "Belfast" in London on Oct. 12.
Kourtney Kardashian and Travis Barker held hands in New York City on Oct. 15.
Benedict Cumberbatch kissed wife Sophie Hunter at the premiere of his film "The Power of the Dog" at the 65th BFI London Film Festival in London on Oct. 11.
Actress Margaret Qualley and musician-producer Jack Antonoff — who were first romantically linked in June — walked through New York City's TriBeCa neighborhood with their arms around each other on Oct. 7.
John Legend kissed wife Chrissy Teigen on the red carpet at the 74th Tony Awards at the Winter Garden Theater in New York City on Sept. 26.
Jack Donnelly kissed wife Malin Akerman at AdoptTogether's Annual Baby Ball Gala in Los Angeles on Oct. 3.
Idris Elba got a kiss from wife Sabrina Dhowre Elba at the premiere of his film "The Harder They Fall" at the BFI London Film Festival on Oct. 6.
"Selling Sunset" star and new mom Christine Quinn got a kiss from husband Christian Richard during a date night at Beverly Hills classic hotspot Spago on Oct. 3.
Two and a half years after he lost his wife of 32 years, filmmaker Jo Andres, to cancer, actor Steve Buscemi looked happy as he held hands with a new woman, whose name has yet to be revealed, for a walk in New York City on Oct. 2.
Josh Bryan and Kristin Chenoweth kissed at the New York City Ballet's Fall Fashion Gala in NYC on Sept. 30.
Chris Hardwick kissed pregnant wife Lydia Hearst as they arrived at the Academy Museum of Motion Pictures' opening gala in Los Angeles on Sept. 25.
Brooklyn Beckham and Nicola Peltz held hands as they left their hotel in Paris on Oct. 2.
Katy Perry got a kiss from fiancé Orlando Bloom as they arrived at the opening gala for the Academy Museum of Motion Pictures in Los Angeles on Sept. 25.
Halle Berry and boyfriend Van Hunt held hands as they arrived at the opening gala for The Academy Museum of Motion Pictures in Los Angeles on Sept. 25.
Billie Lourd and fiancé Austen Rydell kissed as they arrived at the opening gala for The Academy Museum of Motion Pictures in Los Angeles on Sept. 25.
Singer Marc Anthony and his new girlfriend, Madu Nicola, puckered up for a kiss on the red carpet at the Billboard Latin Music Awards at the Watsco Center in Coral Gables, Florida, on Sept. 23.
Rod Stewart got a kiss from wife Penny Lancaster at the ICON Gala at the Landmark Hotel in London on Sept. 17.
Jeff Goldblum and Emilie Goldblum embraced on the red carpet at the EMA Awards and Honors Benefit Gala in Los Angeles on Oct. 16.
Former "The Bachelorette" stars Zac Clark and Tayshia Adams kissed on the red carpet at the iHeartRadio Music Festival at T-Mobile Arena in Las Vegas on Sept. 18.
Lourdes Leon held hands with her rumored boyfriend, Jonathan Puglia, after the Met Gala in New York City on Sept. 14.
Jo Koy planted a kiss on girlfriend Chelsea Handler as they arrived at the People's Choice Awards at Barker Hangar in Santa Monica, California, on Dec. 7, 2021.
Avril Lavigne kissed boyfriend Mod Sun when they made their red carpet debut as a couple at the 2021 MTV Video Music Awards in New York City on Sept. 12.
Hale Leon and fiancé Frankie Grande shared a big kiss at the VIP preview night of the Los Angeles Dodgers' Holiday Festival in Los Angeles on Dec. 1.
Frida Aasen and Tommaso Chiabra kissed at the 78th Venice International Film Festival premiere of "Halloween Kills" in Italy on Sept. 8.
Sarah Hyland and fiancé Wells Adams went in for a kiss on the red carpet at the MPTF NextGen 2021 Summer Party at the Sunset Tower Hotel in Los Angeles on Sept. 12.
Justin Bieber and Hailey Bieber smooched on the red carpet at the premiere of "Justin Bieber: Our World" in New York City on Sept. 14.
Adam Levine gave wife Behati Prinsloo a big ol' kiss at the Baby2Baby 10-Year Gala presented by Paul Mitchell in West Hollywood on Nov. 13.
Zoe Saldana kisses husband Marco Perego on the red carpet at the 78th Venice International Film Festival in Italy on Sept. 2.
Shawn Johnson East got a big kiss from husband Andrew East as they arrived at the People's Choice Awards at Barker Hangar in Santa Monica, California, on Dec. 7.
Rihanna got a sweet smooch from boyfriend A$AP Rocky when they made their red carpet debut as a couple at the 2021 Met Gala in New York City on Sept. 14.
Actress Lindsay Price kissed her husband, chef Curtis Stone, at AdoptTogether's Annual Baby Ball Gala in Los Angeles on Oct. 3.
Singer Justine Skye held hands with her boyfriend, fellow singer Giveon, while heading to a party in New York City on Sept. 10.
Jordan McGraw kissed pregnant wife Morgan Stewart at the Baby2Baby 10-Year Gala presented by Paul Mitchell in West Hollywood on Nov. 13.
Dee Devlin got a kiss from fiancé Conor McGregor on the red carpet at the 2021 MTV Video Music Awards in New York City on Sept. 12.
Vanessa Hudgens and boyfriend Cole Tucker held hands on a date night at the Rolling Stones concert in Los Angeles on Oct. 14.
Eiza González wrapped an arm around boyfriend Paul Rabil as they walked around in New York City on Sept. 8.
Idris Elba and wife Sabrina Dhowre held hands at the GQ Men of the Year Awards at the Tate Modern in London on Sept. 1.
Adriana Lima kissed boyfriend Andre Lemmers as they arrived in Venice, Italy, for the 78th Venice International Film Festival on Sept. 2.
RELATED: Celebs who got engaged in 2021
Actress Helen Mirren snuggled into filmmaker husband Taylor Hackford at the "Parallel Mothers" premiere during the 78th Venice International Film Festival in Italy on Sept. 1.
"Bridgerton" alum Regé-Jean Page held hands with girlfriend Emily Brown at the GQ Men of the Year Awards at the Tate Modern in London on Sept. 1.
Molly Sims got a kiss from husband Scott Stuber, a producer and Netflix exec, at the premiere of "The Power of the Dog" during the 78th Venice International Film Festival in Italy on Sept. 2.
Matt Dillon held hands with longtime love Roberta Mastromichele on the red carpet at the "Land of Dreams" premiere during the 78th Venice International Film Festival in Italy on Sept. 2.
"Selling Sunset" stars Mary Fitzgerald and husband Romain Bonnet cuddled up on the red carpet at the People's Choice Awards at Barker Hangar in Santa Monica, California, on Dec. 7.
Cruz Beckham and new girlfriend Bliss Chapman attend the Reading Music Festival in Reading, England, on Aug. 29.
Megan Thee Stallion kissed boyfriend Pardison "Pardi" Fontaine at JATY-Z's 40/40 Club 18th Anniversary celebration in New York City on Aug. 28.
Heidi Klum held husband Tom Kaulitz's arm as they walked in Venice, Italy, where they attended the Dolce & Gabbana Alta Moda show on Aug. 29.
Kendall Jenner sat in boyfriend Devin Booker's lap at Zack Bia's Croc Boyz pizza party at Lucali in New York City on Sept. 9 during New York Fashion Week.
Jason Biggs pecked wife Jenny Mollen on the cheek at the alice + olivia Spring/Summer 2022 presentation during New York Fashion Week in New York City on Sept. 10.
Bachelor Nation star Nick Viall held hands with girlfriend Natalie Joy as they ran errands in West Hollywood on Aug. 25.
Young love! Camila Cabello and boyfriend Shawn Mendes kissed on stage during their Global Citizen Live appearance in New York City on Sept. 25.
Ryan Cabrera pecked his fiancée, WWE wrestler Alexa Bliss, on the cheek at Candy Pop and Cookie Pop's happy hour party with Jim Beam at American Social in Tampa, Florida, on Aug. 12.
Jennifer Lopez and Ben Affleck hugged, kissed and cuddled as she sat on his lap during a July 28 meal at Lo Scoglio restaurant in Nerano, Italy. The rekindled couple were in the midst of a vacation together to celebrate J.Lo's 52nd birthday.
Julia Roberts and husband Danny Moder held hands as they took a romantic stroll around New York City on Aug. 6.
After wrapping his upcoming movie "The Batman," Robert Pattinson held hands with girlfriend Suki Waterhouse as they ran errands following a gym visit for her and a run for him in London's Notting Hill neighborhood on April 19.
Beyonce and JAY-Z couldn't stop touching each other during a Brooklyn Nets vs. Milwaukee Bucks NBA game at the Barclays Center of Brooklyn in New York City on June 5.
"Dancing With the Stars" pros Maksim Chmerkovskiy and Peta Murgatroyd shared a kiss on Fifth Avenue in New York City on Aug. 11.
Leonardo DiCaprio's girlfriend Camila Morrone kept a grip on his arm while they were out shopping in New York City on Sept. 13.
Thomas Brodie-Sangster held hands with girlfriend Talulah Riley in London on Aug. 6.
John Cena and wife Shay Shariatzadeh — who tied the knot near his home in Florida in October 2020 — held hands after a gym session as they walked back to their car in the cold Vancouver rain on March 21.
Courteney Cox and Johnny McDaid held hands while leaving dinner in Malibu on Aug. 2.
Machine Gun Kelly and girlfriend Megan Fox held hands as they arrived at The Nice Guy nightclub in Los Angeles on April 9.
Jimmie Allen and Alexis Gale hugged backstage during the 55th Annual Country Music Association Awards at the Bridgestone Arena in Nashville on Nov. 10.
John Mellencamp held hands with his new girlfriend, Natasha Barrett, in New York City on July 15.
Brooklyn Beckham kissed fiancée Nicola Peltz on the red carpet at the 2021 Met Gala in New York City on Sept. 14.
Ciara and Russell Wilson shared a passionate kiss while vacationing in Capri, Italy, on July 8.
Sarah Silverman and boyfriend Rory Albanese kissed as she held her dog in New York City on July 5.
Mario Lopez gave wife Courtney Mazza a peck on the cheek at the Los Angeles premiere of "I Love Us" in Hollywood on Sept. 13.
Jennifer Lopez and Ben Affleck cuddled up in matching outfits while out on an evening walk in the Hamptons on New York's Long Island on July 3.
"Riverdale" star KJ Apa lovingly cuddled girlfriend Clara Berry's growing baby bump as they headed to record exec Carter Gregory's birthday party at 40 Love in West Hollywood on June 20. The New Zealand-born actor and the French model announced her pregnancy in May.
Model Alessandra Ambrosio packed on the PDA with boyfriend Richard Lee on the beach in Santa Monica, California, on June 5.
Tessa Thompson was photographed kissing Australian model Zac Stenmark (who has an identical twin brother!) after leaving a party in Sydney's Eastern Suburb on May 23.
Jordana Brewster and boyfriend Mason Morfit shared a sweet kiss while out to eat in Los Angeles on May 25.
Teresa Giudice and Luis Ruelas held hands after having dinner at Craig's in Los Angeles on May 25.
Jennifer Lawrence and husband Cooke Maroney walked home arm-in-arm wearing matching outfits after a lunch date in New York City's SoHo neighborhood on May 22.
Taika Waititi put his arm around Rita Ora — it's the first time the Kiwi filmmaker and the British singer have publicly been photographed being affectionate since they were linked as a couple in April — after leaving the director's home in Bondi Beach, Australia, on May 16 to grab breakfast, where they also held hands during their meal.
Margot Robbie and husband Tom Ackerley held hands in Los Angeles's Studio City neighborhood while on a sushi dinner date on May 14.
Madonna held hands with boyfriend Ahlamalik Williams, a dancer, on her way to watch her son David Banda Ritchie's soccer game in Los Angeles on May 2.
Bella Thorne and new fiancé Benjamin Mascolo, an Italian pop star, locked lips outside their engagement party at No Vacancy in West Hollywood on April 25.
Rappers Quavo and Saweetie held hands as they were out celebrating Valentine's Day in Los Angeles on Feb. 14. A month later, their romance was over.
Gleb Savchenko and girlfriend Cassie Scerbo kissed while out and about in Los Angeles on Feb. 11.
Heidi Klum and rocker husband Tom Kaulitz kissed and embraced while vacationing on a yacht in the Mediterranean off the coast of Italy on July 30.
Luka Sabbat and his new girlfriend, Simi Khadra, canoodled at a coffee shop in West Hollywood on Feb. 10.
Avril Lavigne and rapper Mod Sun confirmed their romance as they held hands after a dinner date at BOA Steakhouse in West Hollywood on Feb. 12.
Ellen DeGeneres and wife Portia de Rossi held each other tight during a loved-up stroll in Montecito, California, on Jan. 6.
Katy Perry and fiancé Orlando Bloom took a selfie as they kissed in Venice, Italy, on June 13.
Singer Robin Thicke and fiancée April Love Geary held hands after grabbing dinner at Craig's following the iHeartRadio Music Awards in Los Angeles on May 27.
Lady Gaga held hands with boyfriend Michael Polansky as they left the U.S. Capitol building in Washington, D.C., following her presidential inauguration ceremony rehearsal on Jan. 19.
Sigourney Weaver and husband Jim Simpson held hands after going surfing in Malibu on Jan. 10.
Chloe Sevigny kissed boyfriend Sinisa Mackovic through her mask while they were out on a walk with their baby boy, Vanja, in New York City on Jan. 17.
Former President Barack Obama and wife Michelle Obama held hands as they arrived at President Joe Biden's inauguration at the U.S. Capitol in Washington, D.C., on Jan. 20.