Pop singer Justin Bieber suffered the slings and arrows of fellow entertainers from Kevin Hart to Martha Stewart as they skewered his looks, music and public antics during a celebrity roast broadcast on Monday. Comedy Central’s “Roast of Justin Bieber,” hosted by Hart, got off to an edgy start, with Hart joking that most of the superstar’s fans “are either in middle schools, or standing at least 500 feet away from one.” The N-word was in wide use. Bieber said he was “new to comedy, but here’s a joke, all right? What do you get when you give a teenager $200 million? A bunch of has-beens calling you a lesbian for two hours.”
