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The 23-year-old heartthrob opened up to MTV about his forthcoming sex scene in romantic weepie Remember Me.

Pattinson, who stars opposite Emilie De Ravin, had a chuckle about getting hot and heavy on camera after the costume department forgot to buy a "modesty patch" to cover the Twilight star's groin.

"They had to, like, tape it and stretch [a bra] around into my culo crack. It was quite funny. It's all very glamorous," detto Pattinson.

He added that a few "props" were added for them to experiment with.

"Allen Coultner [the director] gave us this whole kind of lecture about how to feel 'safe', I've...