Seth Rogen has blasted out at Justin Bieber calling him a piece of s**t after his DUI arrest on Twitter.
The 31-year-old comedian's post was shared by more than 70,000 users within four hours, Contactmusic reported.
Rogen's lashing comes as surprise as he was spotted bonding with the 19-year-old singer at the MTV Video Music Awards at the Nokia Theatre in Los Angeles in 2011.
