The advert, which lampoons the 20-year-old teen idol tearaway’s infamous egging of a neighbour’s house last year, was aired by US television channel Comedy Central who will be broadcasting

the event on March 30.  A staple of the channel’s programming, the celebrity roast sees stars opening themselves up for humorous ridicule from friends and peers alike. It has already seen

the likes of Donald Trump, Charlie Sheen and Roseanne Barr poke fun at themselves.  Let’s hope that Justin can see the runny side and will be able to take a yoke.