Happy Birthday

Sacha Baron Cohen turns 38 today. Ashanti is turning 29. Paul Simon is 68. Kelly Preston is turning 47. Kate Walsh of Grey's Anatomy and Private Practice is 42. Model Beverly Johnson is 57. Ivan Bart, the head of IMG Models, is turning 46. Billionaire Tom Tisch turns 55. Mega art dealer William Acquavella is 72. Sammy…