Bill Cosby spent some time with Chelsea Handler and her family and friends Saturday afternoon at the Borgata where both comedians performed over the weekend. Cosby and Handler, host of E!'s "Chelsea Lately," talked about Cosby's early days and their comedic philosophies. Handler and family dined at chef Stephen Kalt's Fornelletto Cucina and played blackjack as well...Also at the Borgata were Stevie Nicks (in town playing the Trump Taj Mahal) who dined at Bobby Flay Steak on Thursday night and Sammy Hagar who dined with friends at the Old Homestead Steakhouse. He was opening for Aerosmith at Boardwalk Hall...Hagar, the former Van Halen frontman, took in funnyman Joe Piscopo's show "That's Life," which also features Broadway veteran Michael Longoria, Saturday night at Caesars with his pal Don Marrandino, eastern region president for Harrah's Entertainment...Punk legend Iggy Pop turned heads when he went for a Saturday morning dip in the pool at the Chelsea in Atlantic City. Iggy and the Stooges, who stayed at the Chelsea Thursday through Saturday, played their classic album "Raw Power," at the House of Blues Friday.