Robert Pattinson and Kristen Stewart were spotted having a long coupley kiss at a nightclub in Cannes, finally putting speculations of their off-screen relationship to rest

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R-Pattz & Kristen Stewart caught kissing!

Robert Pattinson and Kristen Stewart were spotted having a long coupley kiss at a nightclub in Cannes, finally putting speculations of their off-screen relationship to rest.

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The couple were at Les Marches nightclub, after Pattinson turned up to support his girlfriend at the premiere of her new film, 'On The Road', at Cannes.

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They hung out on the balcony while Pattinson, 26, drank a beer and still wearing his suit from the red carpet and Stewart, 22, in a leather jacket, the Mirror reported.

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They've been dating since the first 'Twilight' film in 2008, and have been spotted in bars, on holiday, at his parent's house - and she even referred to him as "my boyfriend" in a recent interview.

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The couple will be in Cannes for a few more days, as Pattinson's new film 'Cosmopolis' also premieres at the film festival.