Robert Pattinson made his 2012 Cannes Film Festival debut on the red carpet for the premiere of girlfriend Kristen Stewart's On the Road yesterday. He has his own project, Cosmopolis, to promote at the glamorous festival, but he showed support for Kristen's work first. She was up early with her co-stars Kirsten Dunst, Garrett Hedlund and Tom Sturridge for a photo call in the morning after many of them arrived in the South of France on Tuesday night. Kristen and Rob are just a few of the glamorous couples at Cannes, including Diane Kruger and Joshua Jackson and Salma Hayek and her husband, François-Henri Pinault.
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