Songstress Jessie J has opened up about the selfie she took with Nicki Minaj and Ariana Grande after they worked on the video for their collaborative single 'Bang Bang' and joked that she didn't get the memo about pouting. 

Speaking to Vibe magazine about the photograph (shown left), the superstar admitted that she looks 'like a fan' because the other girls are pulling coordinating faces while she is smiling away in the background:

"Nicki could tell I was nervous; she was so sweet and really wanting to get the right shots [for the video]. She said congratulations - it's big for all of us - and she took a selfie."

Jessie J added: "They were doing a pouty face and I smiled, so I looked like a fan!"

She recently described the concept of the video for 'Bang Bang' to MTV News and said: "It’s me starting a street party that Ariana is then going to attend, and then Nicki turns up on an amazing type of transport, that I wont give away. And then we all party together on a rooftop and there’s loads of dancers, there’s a dance that you can learn that I made up."

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Check out 'Bang Bang' here: