Wonderwall.com has rounded up the best celebrity PDA moments of 2021, starting with this pair's smooch… 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.
Keep reading for more celeb PDA from the year so far…
"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.
RELATED: Stars who are expecting babies
RELATED: Celebrity splits of 2021
Pop star Dua Lipa and boyfriend Anwar Hadid held hands as they left a dinner date at Giorgio Baldi restaurant in Santa Monica, California, on June 11.
Jana Kramer and season 4 "The Bachelorette" alum Graham Bunn, whom she's known for seven years, put their arms around each other as they left dinner in Los Angeles on June 11. That same day, Jana — who recently split from husband Mike Caussin — admitted to E!'s "Daily Pop" that she and Graham "are in an entanglement. We are dancing the line of friends… and I am happy."
"The Bachelorette" alum Hannah Brown and boyfriend Adam Woolard held hands while making their way through Los Angeles International Airport on June 9.
Model Alessandra Ambrosio packed on the PDA with boyfriend Richard Lee on the beach in Santa Monica, California, on June 5.
Model Matthew Noszka and his girlfriend, actress Inanna Sarkis, touched noses while leaving a dinner date in Los Angeles on June 14.
Simon Cowell and Lauren Silverman shared a kiss as son Eric checked out the action with a set of binoculars on the second day of the Epsom Derby Festival horse racing event at Epsom Downs Racecourse in Surrey, England, on June 5.
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.
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.
Machine Gun Kelly stuck out his black tongue as girlfriend Megan Fox did the same in a public display of affection for the cameras on the red carpet at the Billboard Music Awards at the Microsoft Theater in Los Angeles on May 23.
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.
Brooke Shields puckered up as writer-producer husband Chris Henchy, who co-created Funny or Die, kissed her on the sidewalk after having lunch in New York City's West Village neighborhood on May 16.
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.
"Outer Banks" co-stars and real-life couple Chase Stokes and Madelyn Cline kissed on stage during the MTV Movie & TV Awards in Los Angeles on May 16 after winning the golden popcorn trophy for best kiss for a steamy smooch on their show.
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.
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.
Country music star Kacey Musgraves and her new man, Dr. Gerald Onuoha — a Nashville internal medicine hospitalist — hugged and cuddled while waiting for their Uber in Los Angeles on April 11.
Machine Gun Kelly and girlfriend Megan Fox held hands as they arrived at The Nice Guy nightclub in Los Angeles on April 9.
Kourtney Kardashian and boyfriend Travis Barker snuggled up with their arms around each other as they walked back to her Range Rover after having lunch in West Hollywood on March 26. Travis was a total gentleman who even opened the driver-side door for his girlfriend before they sped off.
After denying reports that they'd split, Jennifer Lopez and Alex Rodriguez shared a kiss over a meal in Rio San Juan, Dominican Republic, on March 17, after A-Rod flew to be with her while she was there shooting the movie "Shotgun Wedding." But less than a month later, they announced it was indeed over and that they'd ended their two-year engagement.
Camila Cabello and boyfriend Shawn Mendes couldn't keep their lips off each other while walking one of their dogs in Los Angeles on March 21.
Lady Gaga and Adam Driver kissed on a boat while filming the upcoming Ridley Scott movie "House of Gucci" on Italy's Lake Como on March 18.
Alessandra Ambrosio kissed new boyfriend Richard Lee, a model, in Los Angeles on March 16.
Jordana Brewster and boyfriend Mason Morfit puckered up in Los Angeles on Feb. 25.
Avril Lavigne and boyfriend Mod Sun shared a kiss while enjoying Valentine's Day in Malibu on Feb. 14.
Matilda De Angelis and boyfriend William Mezzanotte locked lips in a park in Rome on March 25.
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.
"Riverdale" star Cole Sprouse held hands with his new girlfriend, Montreal-based model Ari Fournier, as they walked around Vancouver and visited some of his favorite spots on Feb. 28.
Jennifer Lawrence and Timothee Chalamet kissed while filming their movie "Don't Look Up" in Brockton, Massachusetts, on Feb. 8.
"Modern Family" star Jesse Tyler Ferguson and husband Justin Mikita hugged as they watched the sunset in Santa Barbara, California, on Feb. 14.
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.
TikToker Bryce Hall and Addison Rae couldn't keep their hands off of each other as they kissed on their way to dinner in West Hollywood on Feb. 2.
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.
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.
Ellen DeGeneres and wife Portia de Rossi held each other tight during a loved-up stroll in Montecito, California, on Jan. 6.
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.
Jordana Brewster and boyfriend Mason Morfit grabbed coffee and kissed on a bench in Los Angeles's Brentwood neighborhood on Jan. 6.
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.
Ah, newly engaged love… Actress Lily Collins placed a gentle hand on director Charlie McDowell's neck while getting coffee in Los Angeles on Jan. 13.
Tennis star Novak Djokovic and wife Jelena kissed and cuddled at the beach in Marbella, Spain, on Jan. 9.