Katy Perry has joked that she would love to have sex with Rihanna instead of collaborating with her.

Talk of a duet between Rihanna and the 'Part Of Me' singer has been mooted in the past, with both sides encouraging the blockbuster collaboration.

Whilst visiting radio station Wild 94.9, Perry was asked about a potential collaboration between the pair, to which she jokingly replied:

"No [we won't duet], but we're gonna have sex."

Perry meanwhile also talked about her love life, hinting that she likes a bad boy now and again. She said:

"I like a good boy, but sometimes you get bored."