Celebrity All the Stars Turning 40 This Year, Including Birthday Girl LeAnn Rimes These stars are ringing in the big 4-0 this year, including Kelly Clarkson, Sebastian Stan and John Mulaney By Kelsie Gibson Kelsie Gibson Twitter Kelsie Gibson is the SEO Editor of PEOPLE Digital. Since joining the brand in 2021, she has contributed to a number of different verticals, writing and editing SEO content ranging from relationship timelines to TV and movie explainers. Prior to joining PEOPLE, Kelsie worked at POPSUGAR as the Celebrity and Entertainment editor, where she wrote and edited content and conducted various interviews for online and video at press junkets, red carpets, and events such as Tribeca Film Festival. She was also formerly at Bustle, Tiger Beat, and Her Campus and graduated from the University of North Carolina at Chapel Hill. People Editorial Guidelines Updated on August 28, 2022 11:50 AM Share Tweet Pin Email Trending Videos 01 of 46 Eddie Redmayne The Fantastic Beasts and Where to Find Them actor turned 40 on Jan. 6. 02 of 46 Ruth Negga Chance Yeh/Getty The Loving actress turned 40 on Jan. 7. 03 of 46 Kate Middleton Kate Middleton. Kirsty Wigglesworth/AP/Shutterstock The Duchess of Cambridge and mother of three turned 40 on Jan. 9. 04 of 46 Dwyane Wade Kevin Mazur/Getty Images The former NBA player turned 40 on Jan. 17. Though he planned on celebrating in Miami, he later revealed that he called off his trip due to Omicron and Flurona. 05 of 46 Jodie Sweetin Jodie Sweetin. Allen Berezovsky/Getty Images for Fashion Media The Full House actress turned 40 on Jan. 19. 06 of 46 Pete Buttigieg Scott Olson/Getty The politician turned 40 on Jan. 19. 07 of 46 Daveed Diggs TOUT ONLY DO NOT USE. Getty Images The Hamilton actor turned 40 on Jan. 24. 08 of 46 Adam Lambert Adam Lambert. Noam Galai/Getty Images The American Idol alumnus marked his 40th on Jan. 29. 09 of 46 Joseph Gordon-Levitt Joseph Gordon-Levitt. AWNewYork/Shutterstock The 10 Things I Hate About You actor celebrated his 40th on Feb. 17. 10 of 46 Fala Chen Amy Sussman/WireImage The Shang-Chi and the Legend of the Ten Rings star was 40 on Feb. 24. 11 of 46 Jessica Biel Jessica Biel. Jamie McCarthy/Getty The actress celebrated her 40th birthday on March 3, just a year after her husband Justin Timberlake turned 40. 12 of 46 Thora Birch Thora Birch. P. Lehman/getty The actress, who first stepped into the spotlight with her role in 1993's Hocus Pocus, turned 40 on March 11. 13 of 46 Constance Wu Constance Wu. On March 22, the Crazy Rich Asians actress turned 40. 14 of 46 Chloé Zhao Jesse Grant/Getty Images The Eternals director's 40th birthday was on March 31. 15 of 46 Taran Killam Dimitrios Kambouris/Getty The Saturday Night Live alumnus turned 40 on April 1. 16 of 46 Cobie Smulders Rich Fury/WireImage The How I Met Your Mother actress rang in 40 on April 3, just a few days after her husband Taran Killam. 17 of 46 Seth Rogen Roy Rochlin/Getty Images The actor celebrated the big 4-0 on April 15. 18 of 46 Ali Wong Matt Winkelmeyer/Getty The comedian celebrated her 40th on April 19. 19 of 46 Kelly Clarkson Jon Kopaloff/FilmMagic The singer blew out the candles on April 24. 20 of 46 Kirsten Dunst Monica Schipper/Getty The Spider-Man alumna welcomed 40 on April 30. 21 of 46 Jamie Dornan Matt Crossick/PA Images via Getty Images The Fifty Shades of Grey actor turned 40 on May 1. 22 of 46 Vanessa Bryant Vanessa Bryant. Steve Granitz/WireImage The former model celebrated 40 on May 5. 23 of 46 Alexandra Breckenridge Matt Winkelmeyer/Getty The Virgin River actress turned 40 on May 15. 24 of 46 Prince William Samir Hussein/WireImage A few months after his wife turned 40, the British royal celebrated his 40th on June 21. 25 of 46 Lizzy Caplan Tony Forte/MediaPunch The Mean Girls alumna turned 40 on June 30. 26 of 46 Hilarie Burton Hilarie Burton. LISA O'CONNOR/AFP/Getty The One Tree Hill alumna blew out the candles on July 1. 27 of 46 Sophia Bush Getty Just a few days after her One Tree Hill costar Hilarie Burton turned 40, Bush celebrated her birthday on July 8. 28 of 46 Priyanka Chopra Priyanka Chopra Jonas. Rich Fury/Getty The actress (and new mom!) was 40 on July 18. 29 of 46 Jared Padalecki Getty The Supernatural alumnus celebrated 40 on July 19. 30 of 46 Paul Wesley Rachel Wang/January Images/Shutterstock The Vampire Diaries actor celebrated his 40th on July 23. 31 of 46 Elisabeth Moss Emma McIntyre/Getty The Handmaid's Tale actress was 40 on July 24. 32 of 46 Sebastian Stan Trae Patton/NBC The Marvel star turned 40 on Aug. 13. 33 of 46 John Mulaney Gary Gershoff/Getty The comedian, who became a dad at the end of last year, turned 40 on Aug. 26. 34 of 46 LeAnn Rimes LeAnn Rimes On Aug. 28, the singer is 40. 35 of 46 Andy Roddick Dia Dipasupil/Getty. The former tennis player will be 40 on Aug. 30. 36 of 46 Misty Copeland Misty Copeland. Noam Galai/WireImage The ballet dancer celebrates her 40th on Sept. 10. 37 of 46 Lil Wayne Lil Wayne. Matt Winkelmeyer/Getty Images The rapper will be 40 on Sept. 27. 38 of 46 Anna Camp Anna Camp. Andrew Toth/Getty The Pitch Perfect actress celebrates her 40th on Sept. 27. 39 of 46 Lacey Chabert Paul Archuleta/Getty So fetch! Chabert will join her former Mean Girls costar Lizzy Caplan in the 40 club on Sept. 30. 40 of 46 Kieran Culkin Stephen Lovekin/Shutterstock The Succession star, who first stepped into the spotlight with 1990's Home Alone, celebrates his 40th on Sept. 30. 41 of 46 Matt Smith Dave Benett/Getty The Crown alumnus will be 40 on Oct. 28. 42 of 46 Anne Hathaway Anne Hathaway. Owen Hoffmann/Getty The Oscar-winning actress will be 40 on Nov. 12. 43 of 46 Gemma Chan Axelle/Bauer-Griffin/FilmMagic The Eternals actress will be 40 on Nov. 29. 44 of 46 Nicki Minaj Nicki Minaj arrives at the 2018 MTV EMAs. Stephane Cardinale/Corbis/Getty The rapper will be 40 on Dec. 8. 45 of 46 Charlie Cox Lorenzo Bevilaqua/ABC via Getty Images The Daredevil actor will be 40 on Dec. 15. 46 of 46 Alison Brie Alison Brie. Christopher Polk/E! Entertainment/NBCU Photo Bank/Getty The GLOW actress turns 40 right at the end of the year on Dec. 29.