Here are some of the notable people celebrating birthdays today, including
Mike Ditka, Martina Navratilova, Jean-Claude Van Damme, Wynton Marsalis, Ne-Yo, Lindsey Vonn, Zac Efron, Bristol Palin and more.
TV personality Bristol Palin is 29.
Writer-producer Chuck Lorre is 67.
Director-screenwriter David Twohy (TOO'-ee) is 64.
Jazz singer-musician Esperanza Spalding is 35.
Actress-model Freida Pinto is 35.
Jean-Claude Van Damme
Actor Jean-Claude Van Damme is 59.
Actor Joe Morton is 72.
Actor Jon Lindstrom is 62.
Actress Joy Bryant is 45.
Olympic gold medal skier Lindsey Vonn is 35.
International Tennis Hall of Famer Martina Navratilova is 63.
Former tennis player Michael Stich (shteek) is 51.
College and Pro Football Hall of Famer Mike Ditka is 80.
Rhythm-and-blues singer-actor Ne-Yo is 40.
Actress Pam Dawber is 69.
International Hall of Fame boxer Thomas Hearns is 61.
Actor Toby Regbo is 28.
Actor Tyler Posey is 28.
Gospel singer Vickie Winans is 66.
Actor Vincent Spano is 57.
Jazz musician Wynton Marsalis is 58.
Actor Zac Efron is 32.