Brooklyn Vegan — Lily Allen @ Roseland in 2009 (more by Natasha Ryan) Ri-Ri isn't scared of Katy Perry's roaring Queen B's going back to the drawing Lorde smells blood, yeah, she's about to slay you Kid ain't one to fuck with when... more info

MTV.co.uk News — Star shares clips from her visually stunning new stage show... more info

MTV.co.uk News — After fans suggested K-Pez had copied Mother Monster on her Prismatic tour, Lady G appeared to throw shade at Perry... more info

ContactMusic — Madonna claims producer Diplo is a ''slave driver'' in the studio. The 'Hung Up' hitmaker is making music with Katy Perry's rumoured boyfriend and... more info

ContactMusic — Lady Gaga has taken a subtle dig at pop peer Katy Perry, suggesting aspects on her new Prismatic tour look eerily similar to her past live... more info

The Daily Mail — With 107 dates on her world tour coming up, Katy Perry clearly feels it's important to integrate with the locals. more info

ContactMusic — Katy Perry spent over £1,000 on flame-grilled chicken after her show in Northern Ireland last night (07.05.14). The 'Roar' hitmaker appeared to have... more info

MTV.co.uk News — Star stuns crowd in Belfast as she debuts eye-popping new stage show... more info

The Daily Mail — While Miley was proving she’s just as provocative as ever in London, Katy Perry took to the stage in Belfast in far more bubble-gum fashion. more info

MTV.co.uk News — The Dark Horse singer has revealed her excitement for The Prismatic World Tour... more info