Justin Bieber was rocking a mustache last night ... but the 16-year-old didn't exactly grow it.
The Biebs was spotted leaving La Porte Indes restaurant in London on Thursday, where he mugged for the cameras with a drawn-on mustache while messing around with his bodyguard.
We think it might be time for a shave.
© 2013 EHM Productions, Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.