Swift decided that as Perry shared her new album on YouTube via a special event ('Katy Perry: Witness World Wide'), she'd release her entire back catalog on all streaming services.
Expecting Katy Perry's upcoming single 'Bon Appetit' to be a Grande collaboration thanks to circling rumors, they've suddenly found their palates upset with today's announcement that the song will actually feature rap trio Migos.
Judge Stephanie Bowick echoed her April decision that Sister Rita Callanan and Sister Catherine Rose can't block Katy Perry's deal with a Roman Catholic Archbishop.