Zac Efron, Seth Rogen, and Jimmy Fallon Dress as Teen Girls, Troll James Franco: VIDEO

Ew

On last night's Tonight Show, Seth Rogen and Zac Efron joined Jimmy Fallon for an episode of the Teen Nick show Ew! and did what teenage "besties" typically do — drink Starbucks, read texts, take selfies, dance, cringe at parents, and rate boys.

Watch, AFTER THE JUMP...

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