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Rob Pattinson and Kristen Stewart attended the premiere of On The Road at the Cannes Film Festival, and it looks like K. Stew was able to shake off the awkward moment she shared with co-star Kirsten Dunst at the film's photo call earlier today.

But what was Kate Upton doing at the premiere, and why was she wearing a frumpy 1980s prom dress? So many questions!

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