08/18/2010 06:36 pm ET | Updated May 25, 2011

Michael Cera Wears Pen On His Face For London Premiere (PHOTO)

Michael Cera wrote on his face for the premiere of 'Scott Pilgrim vs. The World' in London Tuesday night.

Initials MC written on his face, the 'Juno' actor walked the red carpet to promote the film, in which he seeks to defeat his crush's evil exes.

No word on why the ink.