David Bowie turns 63 today. Fashion designer Carolina Herrera is turning 71. Everyone's favorite British theoretical physicist, Stephen Hawking, is 68. Robert Kelly (or R. Kelly to you and me) is turning 43. Sean Paul is 37. Baseball players Jason Giambi and Carl Pavano are 39 and 34, respectively. Actress Sarah Polley is 31. Wolfgang Puck is turning 61. DJ Clue is 35. Susan Berresford turns 67. Composer David Lang is 53. And legendary game show host Bob Eubanks turns 72 today. A few weekend birthdays are below.

Model Maggie Rizer is turning 31 today. Dave Matthews is turning 42. Times book critic Michiko Kakutani is 54. Hot 97 host Angie Martinez is 37. Internet tycoon Lockhart Steele is 35. Indie film honcho Michael Barker is turning 55. Earl Graves, the founder of Black Enterprise, is turning 74. Author Judith Krantz is 81. Singer Joan Baez is 68. And Kate Middleton, who stands to become a princess if Prince William ever pops the question, turns 27 today. Weekend birthdays—including that of Jared Kushner—after the jump!

The founder of Black Enterprise magazine, Graves remains one of the most influential voices in the African-American business community.