Rihanna is to give her first major public performance since being assaulted by Chris Brown in February.

TV Guide.com reports that Rihanna, Jay-Z and Kanye West will perform their new single 'Run This Town' on the first episode of 'The Jay Leno Show' on 14 September.

The single is taken from Jay-Z's new album 'The Blueprint 3'.

Brown, who pleaded guilty to assaulting Rihanna, will be sentenced on 27 August.