Rap superstar Eminem stunned fans at Rihanna's Los Angeles concert on Wednesday night (21Jul10) when he stepped on stage to perform a surprise collaboraTIon with the Bajan beauty.
The Umbrella hitmaker was performing at the city's Staples Center when the Slim Shady star sneaked in and joined her for a live rendition of the pair's hit single Love the Way You Lie.
The unannounced appearance sent fans into a frenzy as Eminem rapped the lyrics to the song, reports MTV News.
He wasn't the only star at the show - TiK ToK singer Ke$ha warmed up the crowd with an energetic opening act, reportedly showing off her cartwheel skills during her dance routine.