Ryan Phillippe Strips Down During Howard Stern’s Birthday Bash

Chessie Reiss Staff Writer On Friday, January 31, at the Hammerstein Ballroom in New York City, Radio Shock Jock Howard Stern celebrated his 60th birthday.  Guests included a myriad of comics (Sarah Silverman, Jimmy Kimmel, Chelsea Handler, and Joan Rivers), musicians (Rob Zombie, Jewel, Steven Tyler, and Adam Levine), as well as just some really cool peeps (Larry King, Heidi…