PARTY

Rihanna and Daily Hot Shots

The Caribbean queen shows off her sexy back at the ThisDay Festival in Africa. Plus: Bon Jovi, Fergie and Josh Duhamel, and Lauren Conrad

Rihanna, ThisDay Festival, Nigeria, Jay-Z, Usher, Chris Brown, Mary J. Blige

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Rihanna

Rihanna showed off her sexy back when she hit the stage at the 3rd annual Thisday Africa Rising Festival in Abuja, Nigeria. The R&B queen hit the stage with Jay-Z (not pictured) to perform the Grammy-winning hit, "Umbrella." Usher, Mary J. Blige and Chris Brown were also on the bill for the concert, held to celebrate the cultural renaissance in Africa.

Next: Richie Sambora
and Jon Bon Jovi