Twenty-eight female guards were unfairly dismissed by a security company because the client‚ Metrora.
RIHANNA made her live return in London on Monday night - her first full concert since she was assaulted by her former singer boyfriend Chris Brown in February.
The singer debuted tracks from her coming album Rated R, including Wait YourTurn and Hard, and was joined on stage by rapper Jay-Z for RunThis Town and Umbrella.
The 45-minute show at the 02 Academy was attended by music industry guests and competition winners - but also broadcast live across the Internet on the Nokia website.
A guest at the concert said: "She might have been away for nine months but she has certainly not lost anything when it comes to her voice. She sounded incredible, hit every note and completely owned the stage.
"She also had two backing dancers dressed in hijabs (Iranian headscarves). She pulled off some very sexy moves - she even grabbed a mannequin's crotch at one point!"
Dressed in a leotard and sporting dyed blonde hair, Rihanna was backed by a live band, showcasing a more rock sound for her new LP. - Bang