The full line-up for day one of the Capital FM Jingle Bell Ball 2013 has been revealed.

Katy Perry, Disclosure and Tinie Tempah are amongst the big acts to play the first of two nights of the ball at London O2 Arena on Saturday, December 7.

Other acts performing on the day are Ellie Goulding, Rizzle Kicks, Olly Murs, Union J, James Arthur and Naughty Boy - as announced by Capital FM Breakfast Show hosts Dave Berry and Lisa Snowdon ...