Robbie Williams, Olly Murs, Taylor Swift, Jessie J and a few other popstars will all be performing some of their own songs at the Capital FM Summertime Ball.
Other acts on the bill include Friends of Capital The Wanted, chart-toppers The Saturdays, Labrinth, controversy magnet Ellie Goulding, will.i.am and boyband, Lawson.
The 'event' takes place at Wembley Stadium on June 9 and tickets go on sale tomorrow morning at bloody 8am.