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Just when the Robert Pattinson and Katy Perry dating rumors were put to rest, a video was posted online showing the flirty stars karaoking to Boyz II Men's "I'll Make Love to You."

In the clip from several years ago, the intoxicated pair sing their hearts out at the karaoke club Dimples in Burbank, Calif. Surprisingly, Rob has the vocal chops to pull it off. At one point, the California gurl gets off her bar stool, which is "too high to make love," and sits on the British babe's lap.

Katy recently told Elle U.K. that their relationship is strictly platonic, citing her flatulence as proof. "Okay, so here's the proof there was never anything going on with me and Robert Pattinson," she said. "I fart in front of him, properly fart. And I never, ever fart in front of a man I am dating. That's a rule."

We really hope she got off his lap before letting one rip that night.