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.
It's hard out here for a b---h! Lily Allen is back with her first new song in ages! After a false-start retirement, two daughters and a name change, Allen serves up 'Hard Out Here,' a neo-feminist anthem encased in a pretty, electropop package.