Jessie J performed at Radio 1Xtra live in London last night (December 1).
The singer wowed fans at Brixton Academy, wearing an all-in-one black and white lycra suit covered in a multi-coloured print of chains.
Kelly Rowland headlined the event, which also saw performances from Big Sean.
Wretch 32, Nero, Chase & Status, Jessie J, Dappy, Labrinth, Tinchy Styder have all performed at gigs across the UK.
The free music gigs took place over four nights in Manchester, Birmingham, Bristol and London from November 28 to December 1.
Speaking about the event Kelly Rowland previously said: “I loved performing at the first ever 1Xtra Live four years ago and I’m really happy to be headlining the final date of this incredible event. There’s so much amazing talent on the line-up and I’m proud to be part of it”.
Meanwhile, Jessie J is among Gigwise's Women of 2011 - you can see the round-up below.