The Official Charts Company said on Sunday, “Bang Bang”, a collaboration between pop artists Jessie J, Nicki Minaj and Ariana Grande, took the top spot in Britain’s singles chart, selling nearly 100,000 copies in its first week. The single, which will feature on Jessie J’s new album, knocked Sigma’s “Changing” into second place, while Taylor Swift’s “Shake it off” rose two places to number three. “Blame” by Calvin Harris slipped to fourth, while former chart topper “Prayer in C” by Lilly Wood completed the top five.