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Jason Schwartzman, Michael Cera

PacificCoastNews.com; Ian Gavan/Getty Images

Looks like we'll just have to, er, draw our own conclusion on this one.

Maybe in light of the fact that their movie Scott Pilgrim vs. the World has fallen a bit flat at the box office, Michael Cera and Jason Schwartzman have decided to take matters into their own hands when it comes to generating some additonal buzz.

Both costars were at the film's London premiere on Wednesday with ink on their mugs—Jason with Michael's name written on his cheek over a lipstick mark and Michael opting for a simpler, but no less subtle look, by sporting his initials on his nose.

And while not for certain, it's probably safe to assume those Jersey Shore kids were not involved at all this time around.