By Neia Balao
6:56am PDT, May 31, 2021
Join Wonderwall.com as we take a look at all of our favorite celebrities who are ringing in milestone birthdays in May 2021, starting with this Irish actor… Colin Farrell — who will next appear in "The Batman" and "Thirteen Lives" — celebrates his 45th birthday on May 31.
Keep reading for more milestone birthdays this month…
RELATED: Stars turning 60 in 2021
"Back to the Future" franchise actress Lea Thompson, who's also the mother of actress Zoey Deutch, turns 60 on May 31. The "Some Kind of Wonderful" alum will next appear in three movies: "Mark, Mary & Some Other People," "Unplugging" and "10 Tricks."
RELATED: Stars turning 50 in 2021
Singer-songwriter Melissa Etheridge turned the big 6-0 on May 29.
This British actor first stole our hearts when he portrayed dreamy vampire Edward Cullen in the "Twilight" franchise. Robert Pattinson, who will portray Bruce Wayne in 2022's "The Batman," celebrated his 35th birthday on May 13.
On May 24, Bob Dylan — who released his latest album, "Rough and Rowdy Ways," in 2020 — joined the 80s club!
On May 29, singer-actress La Toya Jackson — the fifth sibling in the Jackson clan — turned 65.
Jinkies! On May 20, Mindy Cohn — who's best known for portraying Natalie Green on "The Facts of Life" and voicing Velma Dinkley in the "Scooby-Doo" franchise — celebrated her 55th birthday.
Louis Gossett Jr. — who won an Oscar and a Golden Globe for his work in "An Officer and a Gentleman," an Emmy for his performance in "Roots" and another Globe for his work in "The Josephine Baker Story" — turned 85 on May 27.
We love you, Cher! The Goddess of Pop — who's an Oscar and Grammy winner — turned 75 on May 20.
On May 26, Oscar and Emmy nominee Helena Bonham Carter blew out 55 candles on her birthday cake.
On May 24, "Dancing With the Stars" pro Mark Ballas waltzed his way into 35.
Singer, dancer, actress, YouTube personality and "Dance Moms" alum JoJo Siwa — who came out as a member of the LGBTQ+ community in January — had a major reason to smile on May 19: It was her 18th birthday!
Boxing legend Sugar Ray Leonard turned 65 on May 17.
On May 17, "Full House" and "Fuller House" star Bob Saget blew out 65 candles on his birthday cake.
On May 16, Megan Fox — whose romance with Machine Gun Kelly has been making headlines over the least year — turned 35.
"The Sopranos" actress Jamie-Lynn Sigler joined the 40s club on May 15. The Jericho, New York, native will next appear in the films "The Virgin of Highland Park" and "Hunting Season."
Girl, you know it's true: Fab Morvan of Milli Vanilli fame turned 55 on May 14.
This "Murphy Brown" star had a big birthday in 2021: On May 9, Emmy- and Golden Globe-winning actress Candice Bergen turned 75.
Tim Roth — who will next appear in the films "The Misfits," "The Jesuit," "Bergman Island" and "Punch" and the television series "She-Hulk" — celebrated his 60th birthday on May 14.
Country music star Darius Rucker, who first gained fame as the lead singer and guitarist of Hootie & the Blowfish, turned 55 on May 13.
Stephen Baldwin — younger readers might better know him as model Hailey Bieber's father and pop star Justin Bieber's father-in-law — turned 55 on May 12.
Emily VanCamp's come a long way since her days on The WB's "Everwood." On May 12, the Canadian actress — who's more recently starred on "Brothers & Sisters" and "Revenge" and joined the Marvel Cinematic Universe — celebrated her 35th birthday.
Since the release of the first installment in the "To All the Boys I've Loved Before" Netflix film franchise in 2018, Noah Centineo has become the internet's boyfriend! He turned 25 on May 9.
Scottish singer-songwriter Donovan turned 75 on May 10.
"Bohemian Rhapsody" star Rami Malek — who earned the Academy Award for best actor for his performance in the biopic — turned 40 on May 12.
On May 8, famed British broadcaster and natural historian Sir David Attenborough blew out 95 candles on his birthday cake.
On May 2, English singer and famed balladeer Engelbert Humperdinck turned 85.
On May 1, "Absolutely Fabulous" star Joanna Lumley — the British actress was also a Bond girl in "On Her Majesty's Secret Service" in 1969 — celebrated her 75th birthday.
Sportscaster Greg Gumbel — the older brother of former "Today" co-host and sportscaster Bryant Gumbel — turned 75 on May 3.
On May 13, former professional basketball player Dennis Rodman (otherwise known as "the Worm") joined the 60s club.
Stephen Amell — who portrayed Oliver Queen aka the Green Arrow on The CW's "Arrow" from 2012 to 2020 — joined the 40s club on May 8. The Canadian actor will next appear as Jack Spade on the series "Heels."
"Boy Meets World" actress Danielle Fishel, who portrayed Topanga Lawrence on the series, celebrated her 40th birthday on May 5. On the same day, she announced her second pregnancy!
From the Broadway stage to the big screen, Idina Menzel has established herself as one of Hollywood's brightest stars! The "Frozen" franchise voice actress, who will next appear in the films "Cinderella," "American Murderer" and "Disenchanted," turned 50 on May 30.
George Clooney, who's earned two Academy Awards and three Golden Globe Awards, had 60 reasons to celebrate on May 6.
Sofia Coppola — who made her directorial debut with 1999's "The Virgin Suicides" and won a best original screenplay Oscar for "Lost in Translation" — had a big birthday this May. The filmmaker, who also happens to be the daughter of the legendary Francis Ford Coppola, turned 50 on May 14.
Baseball Hall of Famer Willie Mays celebrated his milestone 90th birthday on May 6.
On May 27, "WandaVision" star Paul Bettany turned the big 5-0.
On May 4, Jackie Jackson — a co-founding member of The Jackson 5 — turned 70.
On May 14, Raphael Saadiq — who was a member of the R&B group Tony! Toni! Toné! — added "turning 55" to his impressive list of milestones!
On May 17, Irish singer-songwriter Enya joined the 60s club.
On May 1, Lizzy Greene — who's portrayed Sophie Dixon on ABC's "A Million Little Things" since 2018 — clebrated her 18th birthday.
On May 4, Mötley Crue guitarist Mick Mars rocked his way to 70.
On May 14, "Love Actually" actress Martine McCutcheon turned 45!
"It" and "It Chapter Two" actor Nicholas Hamilton is now old enough to order a beer! On May 4, he turned 21.
