Happy birthday Andy Dick! The comedian turns 50 on December 21.
We would love to see actor Ben Stiller have a "Zoolander"-themed birthday on Monday, November 30.
"Glee" and "American Horror Story" creator Ryan Murphy probably has something up his sleeve to creatively mark his birthday on November 30.
The years have been kind to "All My Children" star Ricky Paull Goldin, who turned 50 on January 5.
Comedic actress Ali Wentworth turned 50 on January 12.
Actress Diane Lane celebrated her 50th on January 22.
DJ Jazzy Jeff probably mixed it up on his day, also January 22.
Actor Alan Cumming enjoyed his special day on January 27.
Actress Sherilyn Fenn turned 50 on February 1.
Funnyman Chris Rock passed the half-century mark on February 7.
Director Michael Bay may have wanted to blow some stuff up in honor of his big day on February 17.
Dr. Dre can now officially be considered one of the elder statesmen of hip-hop. He celebrated his birthday on February 18.
"Sex and the City" star Kristin Davis celebrated her big day on February 24.
How is it possible that comedian Carrot Top turned 50 on February 25?!
It seems against the law that "21 Jump Street's" Richard Grieco turned 50 on March 23.
"Sex and the City" star Sarah Jessica Parker turned fashionably 50 on March 25.
Former CNN talk show host Piers Morgan celebrated his milestone on March 30.
With his boyish personality, it's hard to grasp that "Iron Man" star Robert Downey Jr. hit 50 on April 4.
"Three and a Half Men" star Jon Cryer turned 50 on April 16. He hit the big 5-0 the same day as fellow funny man ...
... Martin Lawrence, who also hit the half-century mark on April 16.
Kevin James, center in hat, who played the "King of Queens," turned 50 on April 26.
Supermodel Linda Evangelista makes 50 look pretty spectacular. She celebrated on May 10.
It's "Diff'rent Strokes" for older folks now. One of the stars of that show, Todd Bridges, turned 50 on May 27. Yes, you read that right.
She's been a celeb since childhood, and believe it or not, Brooke Shields became a 50-year-old on May 31.
Elizabeth Hurley is still stunning. She turned 50 on June 10.
"Law & Order: Criminal Intent" star Kathryn Erbe has 50 on lockdown on July 5.
"Bill and Ted" star Alex Winter's most excellent adventure into his 50s began on July 17.
Reality star Jim Bob Duggar (seen here with wife Michelle Duggar) surely had a massive birthday celebration on July 18. He's the father of 19 and grandfather of four.
Guitarist Slash rocked into his 50s on July 23.
Jeremy Piven reigns as the elder statesman of his "Entourage." He turned 50 on July 26.
The big 5-0 was no doubt magical for "Harry Potter" author Joanne "JK" Rowling. She turned 50 on July 31.
Director Sam Mendes won a best director Oscar for "American Beauty" in 1999. He turned 50 on August 1.
This past year has been a big one for Viola Davis with her hit show "How to Get Away With Murder." She turned 50 on August 11.
"Parenthood" actor Peter Krause celebrated his 50th on August 12.
"The Biggest Loser" trainer Bob Harper turned a very healthy 50 on August 18.
"The Closer" star Kyra Sedgwick is a fan favorite and celebrated her milestone on August 19 along with ...
... Kevin Dillon, who is the second-oldest member of "Entourage" and also an August 19 baby.
Hip-hop hooray! Rapper KRS-One turned 50 on August 20.
Academy Award-winning actress Marlee Matlin is a stunner. She turned 50 on August 24.
Man! Shania Twain felt like a 50-year-old woman on August 28.
Some may have doubted he'd make it, but bad boy Charlie Sheen turns 50 on Thursday, September 3. Click through to see other celebs hitting the milestone this year.
Let's all sing happy birthday to musician Moby has his milestone on September 11.
"Friday Night Lights" actor Kyle Chandler celebrated his 50th on September 17.
"Curb Your Enthusiasm" star Cheryl Hines celebrated her milestone on September 21.
Hard to believe that William Zabka from "The Karate Kid" celebrated his 50th on October 21.
Bush singer/guitarist and the former Mr. Gwen Stefani, Gavin Rossdale, celebrated his b-day on October 30.
"Hemlock Grove" star Famke Janssen celebrated her birthday on November 5.
No sleep till Brooklyn! Mike D of the rap group the Beastie Boys celebrated his milestone day November 20.
Singer Bjork will her day on November 21.
Gong Li finishes off the year with her milestone. The actress turns 50 on December 31.