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Jessie J is suffering with a back injury after filming her new single 'Nobody's Perfect'.
The singer said she was suffering following her two-day video shoot for the track, which features on her debut album 'Who You Are'.
'Wow I have really messed up my back!!! All for the #nobodysperfect video... Ooohh guuurrl I'm in pain today. Up and at em #standuptour rehearsals. (sic),' she tweeted.
But she admitted the pain was worth enduring, adding: 'It's all worthit for an amazing video :) I did all my own stunts.'
Earlier this week Jess revealed that filming took place at a secret location.
She is due to appear with Tinie Tempah at London's Royal Albert Hall this weekend for the Teenage Cancer Trust.