Hollywood’s hottest besties Rihanna and Katy Perry have taken their partying ways to France for Paris Fashion Week 2010.

Rih-Rih and KP are making the most of their A-list moment, taking a seat in the front row of the Givenchy and Karl Lagerfield runway shows.

Katy and Rihanna are frequently sighted and celebrity hot spots: check out more photos of Katy and Rihanna and other celebrity besties.