Cheap Thrills Sia feat. Sean Paul
Katy Perry has added two extra UK dates to her UK tour.
The extra dates have been added in London and Glasgow.
Katy has included a second night at London's O2 Arena in October, while a third night has been added at Glasgow's SECC, preceding the original two with its November 1st scheduling.
Tickets for the extra dates go on sale on March 11th at 9am.