Jennifer Aniston turns 41 today (even though she celebrated the occasion last weekend with Gerard Butler). The woman who could have been a heartbeat away from becoming president, still thinks she has a chance in 2012, and whose name we cannot even type without feeling nauseous, is turning 46. Sheryl Crow is 48. Brandy is turning 31. Mr. Burt Reynolds will be blowing out 74 candles on top of his cake today. Kelly Rowland is celebrating her 29th. Actress Carey Lowell is 49. Legendary British fashion designer Mary Quant is 76. Former Florida Gov. Jeb Bush is turning 57. The always classy Aubrey O'Day turns 26. And Twilight actor and tween hearthrob Taylor Lautner turns 18 today.

It's a day that tabloids have been counting down to for months now—Jennifer Aniston turns 40 today. Others celebrating: Sarah Palin is 45. Jeb Bush is 56. Sheryl Crow is 47. Brandy is turning 30. Kelly Rowland is celebrating her 28th. Carey Lowell, the actress and wife of Richard Gere, is turning 48. BMG chief exec Barry Weiss is 50. IAC's Michael Jackson is 51. Interior designer Kitty Hawks is 63. British fashion designer Mary Quant is 75. Aubrey O'Day is celebrating her 25th. And Burt Reynolds is 73.