Aamir Khan starts rehearsing for Coldplay concert in Mumbai

Aamir Khan with the back-up dancers

Aamir Khan has begun rehearsing for Coldplay's upcoming concert in the city. The actor was spotted with a bunch of background dancers during a work-out session. Surrounded by the firangs, Mr Perfectionist appeared to be click-happy. Knowing his penchant for getting his steps right, the dancers wil have to toil with him.