Singer Katy Perry wants her close friend Rihanna to bare all at her forthcoming bachelorette party.

When asked how much Perry wants Rihanna to show, she said: "The whole bit, the whole bit."

Contactmusic.com reports that Perry describes Rihanna as hot and said: "She's gonna get the message, she's hot, I love her and she's the coolest chick and I want all of her curves and we have a lot in common."