"For years I have wanted Comedy Central to roast me," Bieber tweeted. "They said only if I provided them w/ more material so for a year now I have worked hard. Finally after all that hard work for my 21st bday it's happening."

The special will tape in L.A., with tape and air dates to come--but if the birthday mentions are any indication, look for one of the two to be on or around his birthday of March 1.