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Rachael Ray celebrates the big 4-0 today, just a week after she earned the top spot on Forbes' list of the richest celebrity chefs. Others blowing out candles today: Regis Philbin is 77, Gossip Girl's Blake Lively is 21, Rachel Bilson is 27, and Kiss' Gene Simmons is 59. Actor Blair Underwood is turning 44. Country singer Billy Ray Cyrus is 47. Disgraced media mogul Conrad Black is 64. Theater producer Marc Routh is 46 today. Director Tim Burton is celebrating his 50th. Sean Connery is turning 78. And supermodel Claudia Schiffer is 38.