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Join Wonderwall.com as we take a look at all the celebrities marking their milestone 40th birthdays this year, starting with this entertainer…
"Community," "GLOW" and "Mad Men" actress Alison Brie walk into her 40s on Dec. 29.
Keep reading for more stars who were born in 1982…
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Celebrity tattoo artist Kat Von D, who moved on from her hit reality show "LA Ink" with makeup and shoe lines plus a new career as a recording artist, turned 40 on March 8.
RELATED: Celebs turning 30 in 2022
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Pete Buttigieg — the United States secretary of transportation and former mayor of South Bend, Indiana, who welcomed twins with husband Chasten in August 2021 — celebrated his 40th birthday on Jan. 19.
RELATED: Celebs turning 50 in 2022
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Barbie Tingz! On Dec. 8, rapper Nicki Minaj celebrated her 40th birthday.
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Britain's Princess Kate turned 40 on Jan. 9. One day earlier, Kensington Palace released this beautiful new photo — one of three new portraits shared by Kensington Palace to mark her milestone birthday. The then-Duchess of Cambridge, who's wearing an ethereal gown by Alexander McQueen, was photographed by Paolo Roversi at Kew Gardens in London in November 2021. The portraits are entering the permanent collection of the National Portrait Gallery, of which the Princess of Wales is patron.
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A big royal birthday! Prince William also turned 40 in 2022: He marked the milestone on June 21.
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On April 24, multi-hyphenate Kelly Clarkson had a big reason to celebrate: The first-ever "American Idol" winner turned 40. "I'm not concerned about it," she told "People (the TV Show!)" of the big birthday. "My life gets exponentially better each year. Which is what should happen, you should get wiser."
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On Nov. 29, "Eternals" and "Don't Worry Darling" actress Gemma Chan celebrated her 40th birthday.
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On Nov. 12, Oscar winner Anne Hathaway turned 40.
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Seth Rogen — who, since making his acting debut in "Donnie Darko," has gone on to co-write films including "Superbad," "Pineapple Express" and "This Is the End" — turned 40 on April 15.
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On Nov. 30, "24," "Happy Endings" and "The Ranch" actress Elisha Cuthbert turned 40.
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On Oct. 28, "The Crown," "Doctor Who" and "House of the Dragon" star Matt Smith turned the big 4-0.
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"Succession," anyone? On Sept. 30, Kieran Culkin — who portrays Roman Roy on the hit HBO series — turned 40.
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"Party of Five" and "Mean Girls" actress Lacey Chabert turned 40 on Sept. 30.
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"Pitch Perfect" film franchise actress Anna Camp — who's also appeared on "True Blood," "Mad Men" and "The Good Wife" — celebrated her 40th birthday on Sept. 27.
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On Aug. 26, comedian and former "Saturday Night Live" writer John Mulaney — who welcomed a child with girlfriend Olivia Munn in 2021 in the wake of his split from wife Annamarie Tendler — celebrated his 40th birthday.
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On Aug. 28, Grammy-winning country music star LeAnn Rimes joined the 40s club.
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"Parenthood" series actress Erika Christensen — whose movie credits include "Traffic," "Swimfan," "The Perfect Score" and more — walked into her 40s on Aug. 19.
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"Belfast" and "50 Shades of Grey" star Jamie Dornan celebrated his 40th birthday on May 1.
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"Game of Thrones" and "The Tudors" star Natalie Dormer celebrated her 40th birthday on Feb. 11.
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A less controversial "Smallville" star who's also turning 40 this year? Kristin Kreuk, who marks the milestone on Dec. 30.
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"True Blood" star Anna Paquin — who won an Oscar for her work in "The Piano" when she was 11 — turned 40 on July 24.
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On July 24, Emmy-winning "The Handmaid's Tale" and "Mad Men" star Elisabeth Moss said goodbye to her 30s.
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We love you, Stefan! "The Vampire Diaries" star Paul Wesley turned 40 on July 23.
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On July 19, "Supernatural" actor Jared Padalecki — who currently stars on the CW's "Walker" reboot — turned 40.
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On July 18, former Miss World, actress and new mom Priyanka Chopra — aka Mrs. Nick Jonas — celebrated her 40th birthday.
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"On the Way Down" hitmaker Ryan Cabrera — who's engaged to WWE wrestler Alexa Bliss — turns 40 on July 18.
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On July 8, "One Tree Hill" and "Chicago P.D." alum Sophia Bush — who married businessman Grant Hughes in 2022 — turned 40.
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"Fresh Off the Boat," "Crazy Rich Asians" and "Hustlers" star Constance Wu blew out 40 candles on her birthday cake on March 22.
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"7th Heaven" alum Jessica Biel — who starred on and produced the limited drama series "The Sinner" in 2017 — celebrated her 40th birthday on March 3.
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"Saturday Night Live" comedian and writer Colin Jost celebrated his 40th on June 29.
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On Jan. 19, "Full House" and "Fuller House" star Jodie Sweetin marked her 40th birthday. Two days earlier, she got engaged!
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Weezy! "Tha Carter" rapper Lil Wayne stepped into his 40s on Sept. 27.
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"How I Met Your Mother" and Marvel actress Cobie Smulders marked her 40th birthday on April 3.
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"Saturday Night Live" alum Taran Killam — who's been married to actress Cobie Smulders since 2012 — turned 40 two days before his wife, and on the most foolish day of the year, no less: April 1!
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Retired NBA star Dwyane Wade — who's been married to actress Gabrielle Union since 2014 — turned 40 on Jan. 17.
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"The Affair" and "Luther" star Ruth Wilson — who's also a two-time Olivier Award winner and a two-time Tony Award nominee for her work in the theater — turned 40 on Jan. 13.
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"Jersey Shore" star Mike "The Situation" Sorrentino turned the big 4-0 on July 4 — Independence Day!
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On Jan. 8, former child actress Gaby Hoffmann — who starred in "Uncle Buck," "Field of Dreams" and "Sleepless in Seattle" when she was just a kid and later as an adult starred on "Transparent" and "Girls" — bid adieu to her 30s.
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"Friday Night Lights" star Zach Gilford, who's since appeared in projects like "L.A.'s Finest" and the "Purge" film franchise, celebrated his 40th birthday on Jan. 14.
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Kobe Bryant's widow, Vanessa Bryant, turned 40 on May 5.
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On July 29, "Smallville" actress Allison Mack — who's currently in prison for crimes she committed while in the NXIVM sex cult — turned 40.
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On April 30, "Fargo" and "Bring It On" star Kirsten Dunst celebrated her 40th birthday.
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On Oct. 3, "The Princess Diaries" actor Erik von Detten joined the 40s club.
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"One Tree Hill" alum Hilarie Burton — who started the podcast "Drama Queens" with former co-stars Sophia Bush and Bethany Joy Lenz in 2021 — celebrated her 40th birthday on July 1.
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On Jan. 7, Oscar-winning actor Eddie Redmayne — whose next "Fantastic Beasts" film hits theaters in April 2022 — turned 40.
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Mixed martial artist-turned actress Gina Carano — who's appeared in "Fast & Furious 6" and "The Mandalorian" and made headlines for her romance with Henry Cavill — celebrated her 40th birthday on April 16.
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On April 9, "Knocked Up" and "Tropic Thunder" actor Jay Baruchel — who voiced Hiccup in the "How to Train Your Dragon" franchise — marked his 40th birthday.
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Heather Matarazzo — who came to fame as Dawn Wiener in "Welcome to the Dollhouse" and went on to star in "The Princess Diaries" — marked her 40th birthday on Nov. 10.
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On April 5, "Captain America" actress Hayley Atwell — who will next star in the seventh and eighth installments in the "Mission: Impossible" film franchise opposite Tom Cruise — entered her 40s.
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"Masters of Sex" and "Party Down" star Lizzy Caplan, who's also appeared in funny films like "Mean Girls," "The Interview" and "The Night Before," turned the big 4-0 on June 30.
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On March 11, "Hocus Pocus" actress and former child star Thora Birch turned 40.
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From "3rd Rock from the Sun" to "The Trial of the Chicago 7," Joseph Gordon-Levitt has done it all. The Los Angeles native turned 40 on Feb. 17.
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Powerhouse Queen vocalist and "American Idol" alum Adam Lambert turned 40 on Jan. 29.
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Oscar-nominated "Preacher" and "Loving" actress Ruth Negga celebrated her 40th birthday on Jan. 7.
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Kings of Leon frontman Caleb Followill — who's been married to former Victoria's Secret model Lily Aldridge for a decade — turns 40 on Jan. 14.
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On Dec. 15, "Boardwalk Empire" star Charlie Cox — who portrays Matt Murdock aka Daredevil in the Marvel Cinematic Universe — will celebrate his 40th birthday.
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On Feb. 24, "Shang-Chi and the Legend of the Ten Rings" actress Fala Chen celebrated her 40th birthday.
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On Sept. 10, history-making ballerina Misty Copeland — the first Black woman to be promoted to principal dancer for the American Ballet Theatre — pirouetted into her 40s.
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He'll always be Logan Echolls to us! On March 30, "Veronica Mars" actor Jason Dohring turned 40.
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On Aug. 10, "2 Fast 2 Furious" actress-model Devon Aoki — who's the younger sister of DJ Steve Aoki — celebrated her 40th birthday.
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"She's Out of My League" and "Star Trek Into Darkness" actress Alice Eve turned 40 on Feb. 6.
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"Brooklyn Nine-Nine" star Melissa Fumero turned 40 on Aug. 19.
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On Jan. 7, "The Walking Dead" actress Lauren Cohan joined the 40s club.
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Comedienne Ali Wong, who's starred in multiple Netflix specials as well as the rom-com "Always Be My Maybe," turned 40 on April 19.
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"Kingdom" actor Jonathan Tucker turned 40 on May 31.
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On Dec. 5, Grammy-nominated R&B singer-songwriter Keri Hilson turned 40.
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Alexandra Breckenridge — who's starred on the Netflix series "Virgin River" since 2019 — turned 40 on May 15.
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On March 31, "Bullet Train" and "Eternals" actor Brian Tyree Henry — who earned an Emmy nod for his performance on the FX series "Atlanta" — turned 40.
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Danny Tamberelli — who played Little Pete on Nickelodeon's "The Adventures of Pete & Pete" — turned 40 on Feb. 8.
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"Nomadland" and "The Eternals" filmmaker Chloé Zhao — who made history when she became the first woman of color to win best director at the Academy Awards in 2021 — celebrated her 40th birthday on March 31.
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On Sept. 22, singer-turned-actress Billie Piper — who's known for her work in projects like "Doctor Who," "Secret Diary of a Call Girl" and "Penny Dreadful" — turned 40.
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On June 21, "Empire" actor Jussie Smollett — who's appealing his jail sentence after being found guilty on five felony counts of disorderly conduct for making false police reports after staging a hate crime against himself in 2019 — turned 40.
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On June 2, "Firefly" and "The Killing" actress Jewel Staite turned 40.
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On Feb. 16, "The Show Goes On" rapper Lupe Fiasco marked his 40th birthday.
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On March 25, "Never Back Down" actor Sean Faris joined the 40s club.