Who'd You Rather?

"X-Men" hunk Hugh Jackman is celebrating his 39th birthday on Friday, while "Growing Pains" child star turned televangelist Kirk Cameron is 37.

"90210" hottie Luke Perry turns 41 on Thursday, while Jewel's longtime boyfriend Ty Murray turns 38.

R&B songstress Mya is 29 on October 10, while dance queen Bai Ling turns 37.

He may not be able to leap tall buildings in a single bound, but "Home Improvement" big bro Zachery Ty Bryan (26) does share a birthday with "Superman" star Brandon Routh (28).

"Bourne Ultimatum" star Matt Damon turns 37 today, while actor/musician Nick Cannon turns 27.

"American Idol" judge Simon Cowell turns 48 on Sunday, while "Idol" champ Taylor Hicks turns 31.

"Titanic" star and multiple Oscar nominee Kate Winslet is 32 today, and heiress/"designer" Nicky Hilton is 24.

Teen movie queens Rachael Leigh Cook (28) and Alicia Silverstone (31) share a birthday today.

It's a day early, but happy birthday to hotties Monica Bellucci (43) and Lacey Chabert (25).

A happy birthday to two blondes, born 19 years apart: Hilary Duff (20) and Naomi Watts (39).

One of these two birthday blondes will probably stick her tongue out at cameras and scream something about being "punk rock" -- after she blows out her birthday candles: Gwyneth Paltrow (35) or Avril Lavigne (23).

It's a battle of 26-year-old birthday girls: "Be Cool" star Christina Milian and tennis pro Serena Williams.

A happy birthday to a pair of ageless beauties: Heather Locklear, 46, and Catherine Zeta-Jones, 38.

A happy birthday to two stars from New Jersey: Bruce Springsteen is 58 today, while "Seinfeld" star Jason Alexander is 48.

A big happy birthday to former talk queen Ricki Lake (39) and mom-to-be Nicole Richie (26).

Our sincerest apologies ... screen legend Sophia Loren is 73 today, while Dr. Joyce Brothers turns 79.