Rihanna, who turn 24 today, has been celebrating her birthday all week with lavish parties.

The Bajan pop beauty was spotted earlier today leaving her London hotel wearing a pair of red suspenders. The blonde bombshell was stepping out for her rehearsal for her highly anticipated performance at the BRIT awards tomorrow night.

Rihanna reported partied with her ex-boyfriend Chris Brown for her birthday party bash in Los Angeles last Monday.

Last night a stunning Rihanna took to Stella McCartney’s Winter 2012 London Evening Wear Presentation, in aid of London Fashion Week.