Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.

Sean Hayes serves as roast master as it is Alec Baldwin's turn in the hot seat. Robert De Niro, Jeff Ross, and Caitlyn Jenner among others take jabs at the actor/comedian.

The aggravatingly amiable star of "Full House," "America's Funniest Home Videos"

Bruce Willis goes from "Die Hard" to dead on arrival as some of the biggest names in entertainment serve up punches of their own to Hollywood's go-to action star. And with Roast Master Joseph Gordon-Levitt at the helm, nobody is leaving the dais unscathed.

It's Flavor Flav's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

The inspiring story of a talented young musician who would become one of the biggest pop stars around, and how he amassed his loyal fan base.

A Comedy Roast is a British comedy television show broadcast by Channel 4. After a series of failed attempts by various broadcasters over the years, it is the first adaptation of the American comedy institution of roasting to be produced as a television show in Britain. The first series premiered on 7 April 2010. Hosted by Jimmy Carr it saw Bruce Forsyth, Sharon Osbourne and Chris Tarrant get roasted by various colleagues, comedians and celebrities. The show returned on 15 October 2010 targeting Davina McCall.

Tells the story of Justin Bieber, the kid from Canada with the hair, the smile and the voice: It chronicles his unprecedented rise to fame, all the way from busking in the streets of Stratford, Canada to putting videos on YouTube to selling out Madison Square Garden in New York as the headline act during the My World Tour from 2010. It features Usher, Scooter Braun, Ludacris, Sean Kingston, Antonio "L.A." Reid, Boyz II Men, Miley Cyrus, Jaden Smith, Justin's family members and parts of his crew and huge fanbase in a mix of interviews and guest performances.

From teenage heartthrob to married man, Justin Bieber has had his career challenges, but the "Prince of Pop” continues to evolve his identity.

The special will feature music performances and documentary footage as Justin Bieber embarks on his tour in support of his album Believe.