Katy Perry

From members of BTS to Lady Gaga, check out how 25 celebrities chose their stage personas.

These celebrities are sober.

The 2019 Met Gala is really the gift that keeps on giving.

Perry literally lit up the room!

As Perry's cold war with Taylor Swift finally ends, she might suddenly be locked in another.

See stars like Katy Perry, Snoop Dogg and Mariah Carey dressed in their Santa Claus best.

Madge gathers a few of her famous friends to celebrate the world's greatest pop star: Herself.

The 2015 Billboard Music Awards took over Las Vegas on Sunday (May 17), and while there were many winners, it was Taylor Swift's night.

Katy Perry perhaps took a page from her frenemy Taylor Swift's book and attempted to trademark the iconic Left Shark from her 2015 Super Bowl performance -- only she was denied.

From Nicki Minaj to Rihanna to Beyonce, take a look at the 2015 Grammy Awards Red Carpet.