Britney's Piece of Me was one of Europe's top arena tours + Taylor Swift, Shakira and Katy Perry

Britney may be on a break currently but the accolades keep comin' in. Her summer tour was one of the most popular shows both in mainland Europe and the UK, pocketing more than 20 million dollars from 16 shows. It was a good year for female pop stars in general with Kylie Minogue, Shakira, and frenemies Katy Perry and Taylor Swift nabbing top spots in boxscores.

And if we take stadium shows into account the box office tally looks like this...

ONTD did you see any of these ladies live last summer?

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