Tina Turner turns 69 today, can you believe it? Natasha Bedingfield is celebrating her 27th birthday. Artist Kara Walker is 39. Financier (and former billionaire) Michael Novogratz is 44. Cartoonist Roz Chast is 54. Actress Garcelle Beauvais is 42. Actor Peter Facinelli is 35. And Cicciolina, the former Italian porn star and ex-wife of Jeff Koons, is 57 today.