Actress Katherine Heigl celebrated with a big bash last week, but her actual birthday is today—she's 30. Colin Hanks, the actor and son of Tom Hanks, turns 31 today. Actor Billy Connolly is 67. Famed author Arundhati Roy is 47. Dan Glickman, the chairman of the MPAA and a former congressman, is 65. Former NFL commissioner Paul Tagliabue is 68. And the infamous Linda Tripp turns 59 today.