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From pop singers and politicians to actors and actresses, there are a lot of stars marking birthday milestones in December 2021! Join Wonderwall.com as we take a look at which celebrities are completing a notable trip around the sun this month… starting with this style star… Diane von Furstenberg — the iconic fashion designer behind the famous wrap dress — turns 75 on New Year's Eve!
Keep reading for more milestone birthdays this month…
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"Horses" musician Patti Smith — the famed singer-songwriter and poet known as an integral figure in the New York punk rock movement of the '70s — turned 75 on Dec. 30.
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"True Blood" hunk Joe Manganiello celebrated his 45th birthday on Dec. 28 with wife Sofia Vergara by his side.
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On Dec. 30, English pop star Ellie Goulding — who released her latest album, "Brightest Blue," in 2020 and welcomed a baby boy in 2021 — celebrated her 35th birthday.
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Singer-actor Jason Gould — the only child of Barbra Streisand and ex-husband Elliott Gould — celebrated his 55th birthday on Dec. 29.
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British singer-songwriter Marianne Faithfull — who's also known for her famed romance with Mick Jagger — turned 75 on Dec. 29.
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Danny McBride — the star of twisted comedies like "Eastbound and Down," "Vice Principals" and "The Righteous Gemstones" — turned 45 on Dec. 29.
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"CSI: Miami" star Eva LaRue, who came to fame starring on the daytime drama "All My Children," celebrated her 55th birthday on Dec. 27.
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On Dec. 26, "Game of Thrones" star Kit Harington marked his 35th birthday.
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Soap opera royalty! On Dec. 23, Susan Lucci — who starred as Erica Kane on ABC's "All My Children" from 1970 to 2011 — celebrated her 75th birthday.
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On Dec. 29, "Wuthering Heights" and "Peaky Blinders" actress Charlotte Riley turned 40.
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On Christmas Day, Justin Trudeau — the prime minister of Canada — celebrated his milestone 50th birthday.
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"House of Gucci" star Jared Leto — who will always be Jordan Catalano from "My So-Called Life" to us — turned 50 on Dec. 26.
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Emmy-winning actor Hector Elizondo — who's charmed audiences in everything from TV's "Chicago Hope" and "Last Man Standing" to movies like "Pretty Woman" and "The Princess Diaries" — turned 85 on Dec. 22.
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Emmy-winning actor Kiefer Sutherland — who starred on TV's "24" and "Designated Survivor" after appearing in movies like "The Lost Boys," "Stand By Me" and "Young Guns" — turned 55 on Dec. 21.
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Former One Direction member Louis Tomlinson — whose debut studio album, "Walls," was released in 2020 — turned the big 3-0 on Dec. 24.
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Ricky Martin was still "Livin' La Vida Loca" when he turned 50 on Christmas Day.
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We hope it's not too hard to handle this birthday: Grammy-nominated Black Crowes frontman Chris Robinson turned 55 on Dec. 20.
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On Dec. 9, three-time Emmy Award winner Beau Bridges walked into his 80s.
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On Dec. 27, "Lost" and "Once Upon a Time" actress Emilie de Ravin walked into her 40s.
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"High School Musical: The Musical: The Series" actor Joshua Bassett — who will next appear in the Disney comedy-drama flick "Better Nate Than Never" — celebrated his 21st birthday on Dec. 22.
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Dick Wolf — the mind behind the "Law & Order" and "Chicago" franchises — turned 75 on Dec. 20.
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"Singin' in the Rain" and "West Side Story" icon Rita Moreno turned 90 on Dec. 11.
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On Dec. 22, rapper DaBaby — who sparked headlines in July when he made anti-gay comments at the Rolling Loud Festival — joined the 30s club.
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Lauded filmmaker Steven Spielberg — the mastermind behind iconic movies including "Jaws," "E.T. the Extra-Terrestrial" and "Jurassic Park" — turned 75 on Dec. 18.
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Emmy-winning "Schitt's Creek" and "American Pie" star Eugene Levy celebrated his 75th birthday on Dec. 17.
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"Downton Abbey" franchise star Michelle Dockery turned 40 on Dec. 15.
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Pope Francis — the head of the Catholic Church — turned 85 on Dec. 17.
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Benny Andersson — who's one-fourth of famed Swedish pop music group ABBA — celebrated his 75th birthday on Dec. 16.
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"CSI: Crime Scene Investigation" alum Gary Dourdan turned 55 on Dec. 11.
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On Dec. 11, Hailee Steinfeld — who's currently starring on "Hawkeye" on Disney+ alongside Jeremy Renner — marked her 25th birthday.
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She's free! On Dec. 2, Britney Spears — whose 13-year conservatorship came to an end in November 2021 — marked her 40th birthday. To celebrate, she went on vacation to Cabo San Lucas, Mexico, with fiancé Sam Asghari.
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On Dec. 8, "Lost" and "The Lord of the Rings" franchise star Dominic Monaghan marked his 45th birthday.
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Brazilian beauty Valentina Sampaio — who in 2019 made history when she became the Victoria's Secret brand's first openly transgender model, then did it again in 2020 when she became the first trans model to pose for the Sports Illustrated Swimsuit Issue — celebrated her 25th birthday on Dec. 10.
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Irish music star Sinead O'Connor — who came to fame with her debut studio album, "The Lion and the Cobra," back in 1987 and won more fans with her hit "Nothing Compares 2 U" in 1990 — turned 55 on Dec. 8.
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He's all grown up! On Dec. 1, conservationist and wildlife photographer Robert Irwin celebrated his 18th birthday. Robert is the son of the late "Crocodile Hunter" star Steve Irwin. He's seen here with his "Crikey! It's the Irwins" co-stars — mom Terri Irwin and sister Bindi Irwin (holding her daughter, Grace Powell).
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Basketball great Larry Bird — the only person in NBA history to be named Rookie of the Year, Most Valuable Player, NBA Finals MVP, All-Star MVP, Coach of the Year, and Executive of the Year — turned 65 on Dec. 7.
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C. Thomas Howell came to fame in projects like "The Outsiders," "Soul Man" and "The Hitcher" and in more recent years has appeared on TV shows including "Southland," "Criminal Minds" and "The Walking Dead." He turned 55 on Dec. 7.
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On Dec. 6, actress Lindsay Price — who's married to celebrity chef Curtis Stone and has been on everything from "Beverly Hills, 90210," "All My Children" and "The Bold and the Beautiful" to "Lipstick Jungle" and "Eastwick" — turned 45.
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On Dec. 2, "Scarface" and "Breaking Bad" star Steven Bauer — who's also one of actress Melanie Griffith's ex-husbands — turned 65.
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On Dec. 1, "Everwood" actor Treat Williams celebrated his 70th birthday.
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On Dec. 1, "The Crown" actor Jeremy Northam joined the 60s club.
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Emmy-nominated "The Morning Show," "The League" and "Safety Not Guaranteed" actor Mark Duplass turned 45 on Dec. 7.
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"Hard on Yourself" hitmaker Charlie Puth celebrated his 30th birthday on Dec. 2.
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Lucas Hedges, who's appeared in films like "Manchester by the Sea," "Lady Bird" and "Mid90s," celebrated his 25th birthday on Dec. 12.
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On Dec. 14, Migos rapper Offset — who's married to Cardi B — turned 30.
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On Dec. 14, Celia Weston — who came to fame as Jolene on TV's "Alice" and went on to appear in movies including "Dead Man Walking," "The Talented Mr. Ripley," "Hulk," "The Village" and more — turned 70.
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"Dopesick" actress Kaitlyn Dever turned 25 on Dec. 21.