Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.
Kevin Hart
Self - Roastmaster
Justin Bieber
Self - Roastee
Will Ferrell
Ron Burgundy
Chris D'Elia
Self
Natasha Leggero
Snoop Dogg
Hannibal Buress
Ludacris
Shaquille O'Neal
Jeff Ross
