By Marisa Laudadio
6:20pm PST, Dec 27, 2020
For many celebrities, 2020 includes a major birthday milestone. Join Wonderwall.com as we take a look at all the stars who are celebrating significant birthdays this year during the month of December, starting with this Oscar-nominated actor who's caught the attention of admirers young and old… "Dune" star Timothée Chalamet turned 25 on Dec. 27.
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On Christmas Eve, Dec. 24, Dr. Anthony Fauci — who's been a guiding light for America as he's helped us fight the COVID-19 pandemic all 2020 long in his role as director of the National Institute of Allergy and Infectious Diseases — turned 80.
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Does she even age?! Award-winning television journalist Diane Sawyer celebrated her 75th birthday on Dec. 22.
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"Stranger Things" and "It" star Finn Wolfhard can drop the "child star" label: He turned 18 on Dec. 23!
"Malcolm in the Middle" mom Jane Kaczmarek turned 65 on Dec. 21.
Xtina's still "Beautiful" after four decades! Original "Dirrty" girl Christina Aguilera – who has five Grammys to her name – hit the big 4-0 on Dec. 18.
Oscar winner Julianne Moore turned 60 on Dec. 3.
On Dec. 12, actress Jennifer Connelly turned the big 5-0.
Lordy, lordy, Donnie Darko's 40! On Dec. 19, actor Jake Gyllenhaal blew out 40 candles on his birthday cake.
Five-time Grammy winner Dionne Warwick had something to sing about on Dec. 12: She turned 80!
Comedian Sarah Silverman turned 50 on Dec. 1.
"Ghostbusters" star Ernie Hudson – who in more recent years has graced our TV screens on shows like "Grace and Frankie" and "LA's Finest" – turned 75 on Dec. 17.
On Dec. 3, Jenna Dewan – who welcomed her second child in March — blew out 40 candles on her birthday cake.
"Splash" and "Kill Bill" star Daryl Hannah celebrated her 60th birthday on Dec. 3.
On Dec. 22, Chris Carmack — you loved him on "The O.C." as well as "Grey's Anatomy" and "Nashville" — celebrated his 40th birthday.
On Dec. 11, actress Donna Mills — who's best known for her work on the nighttime soap "Knot's Landing" — celebrated her 80th birthday.
"My Girl" and "Veep" actress Anna Chlumsky marked her milestone 40th birthday on Dec. 3.
"The Big Bang Theory" alum Simon Helberg started a new decade – he turned 40 – on Dec. 9.
"Girls Trip" star Regina Hall blew out 50 candles on her birthday cake on Dec. 12.
Oscar-nominated actor-director Sir Kenneth Branagh turned 60 on Dec. 10.
"Hot in Cleveland" and "Just Shoot Me!" star Wendie Malick celebrated her 70th birthday on Dec. 13.
On Dec. 30, "Buffy the Vampire Slayer" and "Dollhouse" star Eliza Dushku hits the big 4-0.
"Dude, Where's My Car?" and "The Practice" star Marla Sokoloff turned 40 on Dec. 19.
On Dec. 9, Grammy-nominated British singer-songwriter Joan Armatrading celebrated her 70th birthday.
She's all grown up! "Leave (Get Out)" singer JoJo turned 30 on Dec. 20. It was a big year for the music star, who won her first Grammy in January for best R&B song with "Say So."
On Dec. 18, rapper DMX (real name: Earl Simmons) turned the big 5-0.
"Dream Lover," "Twins Peaks" and "Riverdale" actress Madchen Amick turned 50 on Dec. 12.
What a way to end 2020! On Dec. 31, record-setting Olympic gold medal-winning gymnast Gabby Douglas gymnast turns 25.
Singer David Archuleta, who finished second on the seventh season of "American Idol," celebrates his 30th birthday on Dec. 28.
