Playboy Magazine founder Hugh Hefner leads the list of celebrity birthdays on April 9. Hefner, the famed ladies man and founder of the Playboy empire, turns 82 on Wednesday.

Ironically, porn star Jenna Jameson shares a birthday with Hefner, turning 34.

In addition to Hefner and Jameson, Dennis Quaid, the Hollywood Actor, turns 54, along with fashion designer Marc Jacobs, who celebrates his 45th birthday.

“Sex in the City” actress Cynthia Nixon turns 38, while teen actor and singer Jesse McCartney becomes 21.

As the Masters Tournament begins Wednesday, Spanish golfer Seve Ballesteros turns 49. Four-time Emmy Award winner Michael Learned turns 69, while childhood television star Keshia Knight-Pulliam turns 29.

MSNBC political correspondent Joe Scarborough, the former host of Scarborough Report, is 45, while Canadian race car driver Jacques Villeneuve is 37.