Jessie J praised Team GB's athletes for their amazing efforts in the Olympics at a concert in London on Saturday night (04.08.12).

The 'Price Tag' star performed at The Roundhouse, in Camden, London, for a special concert sponsored by VitaminWater on the same evening British competitors Jessica Ennis, Mo Farah and Greg Rutherford all won gold medals at the London 2012 Games.

Jessie wasn't short of praise for the squad's incredible achievements so far, telling fans: ''This is a shout out to everyone who's put their dedication and hard work into Olympics. So proud of every athlete representing GB. Go GB! They haven't made any mistakes.''

Continue reading: Jessie J 'Proud' Of Team Gb