Barry Diller turns 67 today. Gossip columnist Liz Smith is 86. Christie Brinkley is celebrating her 55th. Shakira is turning 32. The Food Network's Ina Garten, better known as the Barefoot Contessa, is 61. Veteran actress Elaine Stritch is turning 84. Marissa Jaret Winokur of Hairspray fame is 36. Farrah Fawcett is turning 62. And Dog the Bounty Hunter's Duane Chapman turns 56 today.