Rihanna, Calvin Harris, Olly Murs To Play Day One Of Jingle Bell Ball 2011

3 December 2011, 09:00 | Updated: 3 December 2011, 09:21

Pixie Lott and The Wanted also set to perform at the O2 Arena in London.

Rihanna, Calvin Harris and Olly Murs are among the acts set to perform on day one of Capital FM's Jingle Bell Ball in London

The two-day sold-out event kicks off today (3rd December) at the O2 Arena, with Pixie Lott, Jason Derulo, Labrinth and The Wanted also set to appear.

Olly is due to open tonight's show, while Rihanna is set to bring the evening to a close.

The Jingle Bell Ball falls in the middle of RiRi's ten-night run at the same venue and marks one of her most hotly anticipated shows of 2011.

She is tipped to preview new album 'Talk That Talk' during her headline slot.

Tonight's gig will also see The Wanted return to the Jingle Bell Ball following the release of their new album 'Battleground'.

Speaking to Capitalfm.com about the event, Jay from The Wanted said: "I love them, they're so good."

Capital FM will be coming live from the Jingle Bell Ball at London's O2 Arena all weekend. Keep checking Capitalfm.com for all the latest news, photo galleries and interviews from this year's festive spectacular.

You can also watch the live backstage stream from the O2 Arena in our Jingle Bell Ball area, featuring interviews and fly on the wall footage of all your favourite Jingle Bell Ball stars.

Don't forget that you can also follow the action as it happens by following Capital FM on Twitter and Facebook