Robert Pattinson Supports Kristen Stewart at Cannes

Robert Pattinson suits up for the On the Road premiere during the 2012 Cannes Film Festival on Wednesday (May 23) at Palais des Festivals in Cannes, France.

The 26-year-old English actor came out to support girlfriend Kristen Stewart‘s new movie, in which she stars opposite Kirsten Dunst, Amy Adams, Viggo Mortensen, and Garrett Hedlund.

PHOTOS: Check out the latest pics of Robert Pattinson

Also on the red carpet: festival jury member Ewan McGregor with his wife Eve Mavrakis.

FYI: Rob and Ewan are both wearing Dior Homme.

10+ pictures inside of Robert Pattinson at the On the Road premiere in Cannes…