
Jimmy Fallon Is "All Bieb'd Out"

Sept. 24 2010, Published 10:07 a.m. ET
While Robert Pattinson is still on a break from filming Twilight, Jimmy Fallon must have been missing having someone to impersonate so he's moved on to Justin Bieber!
OK! GALLERY: JUSTIN BIEBER PROVIES RELIEF TO FLOOD VICTIMS
Jimmy must have caught the Bieber fever after watching Justin's CSI debut last night. The Late Night host Tweeted a joke about Justin's performance.
Later, Jimmy really got "all Bieb'd out" and Tweeted a pic of himself!
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What do you think of Jimmy's new look? Which impersonation is better? Jimmy as Justin or Jimmy as Rob?