VIDEO: Jessie J performs 'Who's Laughing Now' on Red or Black!

Ant and Dec (Red or Black)

Red or Black crowned its fourth millionaire tonight as Gary scooped the jackpot in the final end game. Earlier in the show, British breakthrough star Jessie J made an appearance on the show to help whittle down the contestants with a special performance.

Singing her latest single 'Who's Laughing Now?', Jessie - accompanied by her own mini-me on stage - chose between two silver balloons to pop, revealing a black heart.

Watch the performance below...

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