Rihanna Celebrates Jay Sean's Album Release

Rihanna rubs shoulders with Jay Sean at his album release party at The Royal Exchange Bank in London on Saturday night (November 28).

Jay‘s album All or Nothing hits UK stores tomorrow (November 30).

Other pics include Rihanna and her BFF Melissa at the exclusive Wellington club in Knightsbridge, on their way to Bungalow 8.

Tonight, Rihanna will be performing on The X Factor results show.

15+ pictures inside of Rihanna celebrating Jay Sean‘s album release…