Seth Rogen went off about Justin Bieber in a recent interview.  

It's safe to say he does not have 'Bieber Fever'

LOS ANGELES, CA - AUGUST 28: Singer Justin Bieber (L) and actor Seth Rogen arrive at the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California. (Photo by Christopher Polk/Getty Images)

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