After supporting girlfriend Kristen Stewart at the premiere of her Cannes film, On The Road, Robert Pattinson showed up for the photocall of his psychological thriller, Cosmopolis.

OK! NEWS: ROBERT PATTINSON GETS EDGY IN COSMOPOLIS TRAILER

The flick takes place over the course of 24 hours where Robert plays a billionaire traveling through a futuristic Manhattan on his way to get a haircut. Reviews have been positive, saying the actor "reveals a depth that becomes increasingly more fascinating" as the movie continues.

OK! NEWS: ROBERT PATTINSON & KRISTEN STEWART SHARE A STEAMY KISS AT THE CANNES FILM FESTIVAL! PHOTOS!

Also in attendance, co-stars Paul Giamatti, Emily Hampshire, Sarah Gadon and director David Cronenberg.