And while on stage Katy clearly ... next month. The Firework hitmaker was a surprise guest at the Friday singer's concert, with the pair joining forces on a rendition of Perry's 2011 hit Last ...

Katy Perry stunned ... contestants. The iconic judge made sure to leave a lasting impression in her last episode on the show by wearing the unique and towering outfit. The dress, which seemed ...

Micro bangs are a tricky hairstyle to master. Some celebs pulled off a tiny fringe effortlessly, while others, unfortunately, ...

As modern music’s most entertaining chameleon embraces pop chaos once again on her new album ‘Mayhem’, Adam White has ranked ...

This trash-bop from A Star Is Born is, thanks to those lyrics, iconic. If we’re being honest ... soft in the middle – feels more like a Katy Perry single than something worthy of Gaga.

While the internet at large was focused on Gaga’s Hunger Games–esque outfit ... the duo sees Katy Perry’s residency show, which we can only imagine was a firework (heh) performance.

Katy Perry reacted to a conspiracy theory dating back to 2014 that claims she's slain 6-year-old beauty queen JonBenét Ramsey ...