Incredible pictures from night one of the #CapitalJBB featuring Katy Perry, Tinie Tempah, Disclosure, Olly Murs and Union J.
Saturday 7th December 2013
The Best Of Saturday At The Jingle Bell
The US star performed her debut single for the Jingle Bell Ball crowd at the O2 Arena.
Watch as Sasha Keable joins the pair on stage at London's O2 Arena.
Watch their live rendition of their breakthrough hit at London's O2 Arena.
Watch the Union J boys performing their debut single live at the Jingle Bell Ball 2013.
Watch the live performance of the hit single in front of 16,000 fans at London's O2 Arena.
Check out her live performance of the track at London's O2 Arena.
Watch the live performance of the former Vodafone Big Top 40 number one.
Check out the British star's performance of her Calvin Harris track at London's O2 Arena.