All we ever Wanted: Nathan Sykes makes surprise return at Capital FM Summertime Ball

The Wanted singer Nathan Sykes made a surprise appearance at Wembley after recovering from throat surgery to save his voice.

The 20-year-old, who went under the surgeon's knife in Los Angeles in April, joined his bandmates to open the Capital FM Summertime Ball.

Speaking after coming off stage, Sykes joked that he would miss watching daytime television and playing computer games. "I'm going to miss my days of Jeremy Kyle, This Morning and the Playstation, but it is great to be back," he said.

One of the highlights of the event was when South Korean rapper Psy was joined by the 80,000-sell out crowd in dancing to his single Gangnam Style.

"It's my lifetime biggest hit ever and I think it's going to be for ever, he said. "Until the day I retire I've got to do that horsey thing," he explained.

But he added that wearing just a waist coat and trousers was a mistake. "How come it's so cold in here in summer? They are saying it's the Summertime Ball, so I dressed like summer but it's really cold," he added.

Robbie Williams was the headline act, with Taylor Swift, Will.i.am, Jessie J, The Saturdays, Labrinth and Olly Murs also performing.

US star Justin Timberlake hosted the event.

Meanwhile The Saturdays declared their love for summer just before stepping onto the stage wearing revealing outfits.

Vanessa White said "literally no one wears any clothes" and Una Healy added: "Tops come off."