Barry Diller turns 68 today. Christie Brinkley is turning 56 (not that she looks it). Former New York Post gossip columnist (and current wowowow.com contributor) Liz Smith is celebrating her 87th birthday. Colombia's most famous cultural export, Shakira, is turning 33 today. Sen. John Cornyn of Texas is 58. Broadway vet Elaine Stritch is turning 85. Food Network host Ina Garten is 62. Marissa Jaret Winokur (of Hairspray fame) turns 37. And Duane Chapman, who you probably know as "Dog the Bounty Hunter," turns 57 today.