Cheryl Cole Duets With On His '#willpower' Tour In London - Video

6 December 2013, 11:21 | Updated: 6 December 2013, 11:27

The 'Under The Sun' star appeared to perform 'Heartbreaker' with the 'Scream & Shout' rapper.

Cheryl Cole helped close out his UK '#willpower' tour in style last night (5th December) at London's O2 Arena.

The 'Call My Name' star made a surprise appearance during the show to perform a duet with the US rapper of their duet 'Heartbreaker'.

The performance marks one of Cheryl's first high-profile performances in some time, as she continues to work on new music in the recording studio for her next album.

"Unbelievable … #soldoutO2 thank you UK #willpowertour… I never thought this could happen… #dreamsDOcomeTRUE," tweeted soon after the show.

Check out a picture of Cheryl performing live with at his O2 Arena tour show below (Credit: Xposure):

The US star was also joined on the road across the UK this week by both Conor Maynard and The Voice UK star Leah McFall as support acts.