https://twitter.com/#!/PrinceFenty_/status/180719808072007681

From VIBE:

Rihanna is known to have a really great friendship with fellow musician Katy Perry, and it looks like the two will be making music together in the near future. In a recent interview with Access Hollywood, RiRi spoke on how her and Katy have been trying to get on a track together for years and insists that they will make it happen.

“We still are trying to make a song together. She is one of my favorite musicians, as well as one of my favorite people in the industry. She’s very uncalculated, very sure of herself, and that’s something that’s very rare in this industry.”

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