 
 Jessie J was joined on stage by X Factor groups Little Mix and The Risk at her London Hammersmith show last night (October 2) – you can watch the video below on Gigwise.
The singer was joined on stage by The Risk for her track 'Price Tag', while Girl group Little Mix later joined in before rapper Devlin made his way on stage.
Jessie J later praised the groups for their performance, writing on Twitter: 'Yeaaah they all killed it!!!'
Meanwhile, Jessie J has said she intends her second album to be another pop record.
The singer, who released her debut 'Who You Are' earlier this year, said she was already thinking about album number two.
Jessie J - 'Price Tag':
Jessie J - live photos
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