Radio personalities Howard Stern and Rush Limbaugh don't have much in common, but they do share a birthday: Howard is 55 today, while Rush is turning 58. Others celebrating: CNN's Christiane Amanpour is 51. Kirstie Alley is 58. Amazon.com founder Jeff Bezos is 45. Badgley Mischka's Mark Badgley is turning 48. Chef Rebecca Charles is turning 55. Actor Oliver Platt is 49. New York City Councilman James Oddo is 43. Rob Zombie is 44. And Heather Mills turns 41 today.