These celebrity roasts are generally supposed to find the outer edges of good taste and common decency and obliterate them, with caustic insults being the order of the day. But apparently even jokes that are supposed to go too far can sometimes go too far, as some of the material from Justin Bieber's recent roast has been deemed unfit to air on the March 30 broadcast. So where does Comedy Central draw the line? Jokes about Paul Walker's death, apparently. "SNL" newcomer Pete Davidson, for instance, went with, "Justin got arrested for drag racing. Unfortunately, it wasn't with Paul Walker," which didn't go over too well with the audience — or with "Fast and Furious" star Ludacris, who was also on hand.

That joke and a few others won't make the broadcast. "Sometimes the line is discovered by crossing it. The Paul Walker references will not be in the telecast," a Comedy Central rep tells the Hollywood Reporter. But here are a few of the insults that were deemed just fine:

"You literally are a guy who has it all — except for respect, love, friends, good parents, and a Grammy." — Chris D'Elia

"When you get to the county jail, hear me, you're gonna be the first dude who ever had a girlfriend and a boyfriend named Gomez." — Snoop Dogg

"If Anne Frank had heard your music, she would've Uber'd to Auschwitz." — Jeff Ross

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