Zac Efron Grows A Beard And Finally Gets Drunk

Last night, squeaky clean Zac Efron finally partied it up like the 22-year-old he really is.

After attending the premiere of his film Charlie St. Cloud in Leicester Square in London, the actor went out to a club called Bungalow 8, where he left around midnight and posed for pictures with fans and signed autographs…while he was still semi-coherent apparently.

Because THEN he saddled up and went to Mahiki, staying there until about 2:30 and then left out the back door of the club.

Oh, if Efron only entered through the back door…