He also spoke about what the roast mean to him, saying, "I've done a lot of things that I'm not proud of, but this is a new day and we're turning a new leaf here."
Jokes aside, Bieber tweeted Saturday out that he had "one of the best nights ever" as he also jetted to Las Vegas to celebrate his 21st birthday in style at the OMNIA Nightclub in Caesars Palace. Bieber turned the big 2-1 on March 1.
At the Vegas party, he sang "Happy Birthday" to himself and enjoyed a cake in the shape of a 1965 Lincoln Continental, the same car he received as a birthday present.
To see Justin Bieber roasted, tune in to Comedy Central on March 30 at 10/9c.
Check out the video below to find out six things we learned from Justin Bieber's recent Men's Health interview.