Psy, Jessie J and Justin Timberlake storm Capital Summertime Ball

80,000 music fans packed Wembley Stadium today (Sunday June 9th) for the annual Capital FM Summertime Ball.

After Capital FM presenter Marvin Humes warmed up the crowd with the ultimate party DJ set, The Wanted kicked off proceedings treating fans to an energetic performance which included smash hit 'All Time Low' and their latest offering 'Walks Like Rihanna'. They were followed by homegrown superstars including Ellie Goulding, and later on in the show The Saturdays and Olly Murs.

The first surprise of the night came as DJ duo Disclosure were joined on stage by Eliza Doolittle, Sam Smith and AlunaGeorge for performances of their smash hits 'You & Me', 'Latch' and 'White Noise' respectively.

The dancing shoes remained well and truly on as South Korean sensation Psy graced the stage to perform the immensely popular 'Gangnam Style', which was followed by 'Gentleman', both complete with the famous dance moves.

Fresh new talent was also in abundance, as James Arthur, Loveable Rogues, Charlie Brown and Naughty Boy all kept the atmosphere in the stadium electric, with crowds going wild later on when A*M*E joined Duke Dumont on stage for the smash hit 'Need U (100%)'.

To the delight of fans, Jessie J also had a surprise in store, when US rapper B.o.B joined her on stage to perform pop anthem 'Price Tag'. Jessie entertained the audience with other hits including 'Domino' and brand new single 'Wild'.

Guest host Justin Timberlake left crowds stunned, as he serenaded the audience with a surprise acoustic medley of his hits such as 'Cry Me a River' and 'What Goes Around Comes Around', with some classics such as 'Ain't No Sunshine' thrown in too.

US chart topping sensation Taylor Swift put on a spectacular show, stunning with performances of her catchy hits 'I Knew You Were Trouble' and 'We Are Never Getting Back Together'. The final surprise of the evening came as Ed Sheeran joined Swift on stage to perform their brand new single, 'Everything Has Changed'.

Bringing the show to an epic close, pop legend Robbie Williams performed renditions of his huge hits 'Rock DJ' and 'Candy' finishing on the ultimate high as the 80,000 strong crowd joined him for anthem 'Angels'.

The Summertime Ball supports Capital's flagship charity, Help A Capital Child, with a donation being made from the proceeds of the event.