Katy Perry: Rihanna Duet Will Be "Iconic"

Katy Perryhas divulged details [uuid=d33ff3b0-f973-4f43-9678-6fcd81f8780e]Fearne Cotton that despite the demand for their hook-up, they will not be rushing to release a tune.

The 27-year old explained: "We've collaborated on a lot of things, but just not songs yet. It's one of those things that's got so much build-up that we have to deliver.

"I want it to be like that Aretha Franklin song 'Sisters Are Doin' It for Themselves'."

The Kanye West and Jay-Z's tune Ni**as In Paris for Cotton's show.

SEE SEXY PICS OF KATY PERRY HERE!  

SEE RAUNCHY PICS OF RIHANNA IN MTV'S GALLERY HERE!  

CHECK OUT 101 OF KATY PERRY'S FAMOUS LOOKS HERE!