Rihanna blew off the People's Choice Awards in L.A. this week. As did other stars, to be sure ... but Rihanna did so to watch an NBA game! Across the street! Faux pas? The Los Angeles CLIPPERS were the hot ticket in town Wednesday, besting the Heat in overtime (sorry LeBron) in what was definitely a good game. Still. Katy Perry is trying to stay out of the limelight as her divorce drama blows over. Lady Gaga was no doubt off performing ...