Jessie J perform an acoustic version of ‘Bang Bang’

Pop star Jessie J has performed an acoustic version of her song ‘Bang Bang’.

Jessie J perform an acoustic version of 'Bang Bang'

Jessie J perform an acoustic version of ‘Bang Bang’

The single, which made its worldwide premiere last week, is a collaboration with Nicki Minaj and Ariana Grande, reported Digital Spy.

The 26-year-old singer admitted that not only was it the first time she’d performed it acoustically, but it was the first time she’d performed it live.

Jessie J perform an acoustic version of 'Bang Bang' by