Hills villain Heidi Montag is turning 22 years old today, most likely with a big drama-filled party that will eventually turn up on MTV. Also celebrating today: British model Sophie Dahl is turning 31. Filmmaker Oliver Stone is celebrating his 62nd. Restaurateur Donatella Arpaia is 37. Music honcho (and Kobe Club partner) Charlie Walk is 42. Former NFL quarterback Dan Marino is 47. Opera singer Jessye Norman is turning 63. Actor Tommy Lee Jones is 62. And Prince Harry celebrating his 24th.