Rihanna & Katy Perry: Philippe Festive

Rihanna and her BFF, fellow singer Katy Perry, grab dinner together at upscale Chinese restaurant Philippe Chow on the Upper East Side of New York City on Friday night (July 24).

Katy has a concert on Tuesday in the city at Hammerstein Ballroom. Pop punk band Cobra Starship is opening the show, which is completely sold out!

Today, Katy is performing with Brooklyn band Boy Crisis at Agganis Arena in Boston, Mass. Tomorrow, Katy performs with Canadian bands The New Cities and Stereos at Molson Amphitheatre in Toronto, Canada.