Ariana Grande - 'Bang Bang' (Live At Capital's Summertime Ball 2015) - WATCH

It was one of the BIGGEST tunes of last year - and Ariana couldn't resist bringing it out for the Ball!

Ariana Grande can pretty much do no wrong in our books - but she won herself even MORE love when she broke out into 'Bang Bang' during her set at the #CapitalSTB!

WATCH all the live performances from our Summertime Ball 2015, with Vodafone!

Ari was making her FIRST appearance at our Summertime Ball 2015 With Vodafone this year, and she more than made an impression on our Wembley Stadium crowd with her hit-filled set. #OwningIt doesn't even do this show justice!

From 'Problem' to her 'Bang Bang' surprise - Ariana's #CapitalSTB set isn't to be missed so hit play on the video above and see the star herself in action.