Turning 50 in 2015

Country pop singer Shania Twain turns 50 on August 28. Click through to see who else is 50 this year.

Turning 50 in 2015

Academy Award-winning actress Marlee Matlin is a stunner. She turned 50 on Monday, August 24.

Turning 50 in 2015

The years have been kind to "All My Children" star Ricky Paull Goldin, who turned 50 on January 5.

Turning 50 in 2015

Comedic actress Ali Wentworth turned 50 on January 12.

Turning 50 in 2015

Actress Diane Lane celebrated her 50th on January 22.

Turning 50 in 2015

DJ Jazzy Jeff probably mixed it up on his day, also January 22.

Turning 50 in 2015

Actor Alan Cumming enjoyed his special day on January 27.

Turning 50 in 2015

Actress Sherilyn Fenn turned 50 on February 1.

Turning 50 in 2015

Funnyman Chris Rock passed the half-century mark on February 7.

Turning 50 in 2015

Director Michael Bay may have wanted to blow some stuff up in honor of his big day on February 17.

Turning 50 in 2015

Dr. Dre can now officially be considered one of the elder statesmen of hip-hop. He celebrated his birthday on February 18.

Turning 50 in 2015

"Sex and the City" star Kristin Davis celebrated her big day on February 24.

Turning 50 in 2015

How is it possible that comedian Carrot Top turned 50 on February 25?!

Turning 50 in 2015

It seems against the law that "21 Jump Street's" Richard Grieco turned 50 on March 23.

Turning 50 in 2015

"Sex and the City" star Sarah Jessica Parker turned fashionably 50 on March 25.

Turning 50 in 2015

Former CNN talk show host Piers Morgan celebrated his milestone on March 30.

Turning 50 in 2015

With his boyish personality, it's hard to grasp that "Iron Man" star Robert Downey Jr. hit 50 on April 4.

Turning 50 in 2015

"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 ...

Turning 50 in 2015

... Martin Lawrence, who also hit the half-century mark on April 16.

Turning 50 in 2015

Kevin James, center in hat, who played the "King of Queens," turned 50 on April 26.

Turning 50 in 2015

Supermodel Linda Evangelista makes 50 look pretty spectacular. She celebrated on May 10.

Turning 50 in 2015

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.

Turning 50 in 2015

She's been a celeb since childhood, and believe it or not, Brooke Shields became a 50-year-old on May 31.

Turning 50 in 2015

Elizabeth Hurley is still stunning. She turned 50 on June 10.

Turning 50 in 2015

"Law & Order: Criminal Intent" star Kathryn Erbe has 50 on lockdown on July 5.

Turning 50 in 2015

"Bill and Ted" star Alex Winter's most excellent adventure into his 50s began on July 17.

Turning 50 in 2015

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.

Turning 50 in 2015

Guitarist Slash rocked into his 50s on July 23.

Turning 50 in 2015

Jeremy Piven reigns as the elder statesman of his "Entourage." He turned 50 on July 26.

Turning 50 in 2015

The big 5-0 was no doubt magical for "Harry Potter" author Joanne "JK" Rowling. She turned 50 on July 31.

Turning 50 in 2015

Director Sam Mendes won a best director Oscar for "American Beauty" in 1999. He turned 50 on August 1.

Turning 50 in 2015

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.

Turning 50 in 2015

"Parenthood" actor Peter Krause celebrated his 50th on August 12.

Turning 50 in 2015

"The Biggest Loser" trainer Bob Harper turned a very healthy 50 on August 18.

Turning 50 in 2015

"The Closer" star Kyra Sedgwick is a fan favorite and celebrated her milestone on August 19 along with ...

Turning 50 in 2015

... Kevin Dillon, who is the second-oldest member of "Entourage" and also an August 19 baby.

Turning 50 in 2015

Hip-hop hooray! Rapper KRS-One turned 50 on August 20.

Turning 50 in 2015

Man! Shania Twain will feel like a 50-year-old woman on August 28.

Turning 50 in 2015

Some may have doubted he'd make it, but bad boy Charlie Sheen turns 50 on September 3.

Turning 50 in 2015

Musician Moby has his birthday on September 11.

Turning 50 in 2015

Actor Kyle Chandler celebrates on September 17.

Turning 50 in 2015

"Curb Your Enthusiasm" star Cheryl Hines celebrates her milestone on September 21.

Turning 50 in 2015

Hard to believe that William Zabka from "The Karate Kid" celebrates his 50th on October 21.

Turning 50 in 2015

Bush singer/guitarist and Mr. Gwen Stefani, Gavin Rossdale, celebrates his b-day on October 30.

Turning 50 in 2015

"Hemlock Grove" star Famke Janssen celebrates her birthday on November 5.

Turning 50 in 2015

No sleep till Brooklyn! Mike D of the rap group the Beastie Boys celebrates his day on November 20.

Turning 50 in 2015

Singer Bjork will enjoy her day on November 21.

Turning 50 in 2015

We would love to see actor Ben Stiller have a "Zoolander"-themed birthday when he turns 50 on November 30.

Turning 50 in 2015

"Glee" and "American Horror Story" creator Ryan Murphy probably has something up his sleeve to creatively mark his birthday on November 30.

Turning 50 in 2015

Comedian Andy Dick turns 50 on December 21.

Turning 50 in 2015

Gong Li finishes off the year with her milestone. The actress turns 50 on December 31.