LAS VEGAS (AP) - Celebrities are taking sides in the Floyd Mayweather-Manny Pacquiao matchup just like everyone else. Unlike most of us, some of the stars are close friends of the fighters, can scoff at a $100,000 wager or a $10,000 ticket and will get to be center stage on the Las Vegas club scene during a weekend where watchers are willing to pony up $50,000 for a table.