Seth Rogen Calls Justin Bieber an "Ob**xious, Ungrateful Piece of S---"
 

Seth Rogen Calls Justin Bieber an "Ob**xious, Ungrateful Piece of S---"
After tweeting that Justin Bieber is a "piece of s---," Seth Rogen elaborated his insults during Watch What Happens Live on March 12 -- see what he had to sayThis article originally appeared on Usmagazine.com: Seth Rogen Calls Justin Bieber an "Ob**xious, Ungrateful Piece of S---"