Rihanna dirty dancing at her 22nd birthday surprise party

It's hard to believe Rihanna was planning a quiet night to celebrate her 22nd birthday.But baseball star Matt Kemp, her rumoured new boyfriend, still caught her out with a raucous surprise party.He even arranged for a 4ft tall stripper, Bridget The Midget, to give Rihanna a lapdance, as she sat laughing in a chair. Stunned: Rihanna laughed as she received a lapdance from 4ft stripper Bridget the