Katy Perry

The first person to hit 50 million Twitter followers, a colorful Prismatic Tour that hits North America in June and songs guaranteed to get stuck in your head? Yeah, it's hard not to be a Katycat.

Katy Perry is officially the queen of the Twittersphere. The pop star has become the very first Twitter user of all time to reach 50 million Twitter followers. That's right. 50. Million.

Vin Diesel would be proud! Katy Perry's latest hit, 'Dark Horse' (featuring Juicy J), just landed in the No. 1 slot on the Billboard Hot 100.

Tonight (Jan. 26), the 2014 Grammy Awards saw some amazing wins (Lorde, Daft Punk) and performances (Beyonce and Jay Z, Macklemore), and celebs far and wide couldn't get enough.

Katy Perry galloped onto the 2014 Grammys stage (Jan. 26) with a gothic-tinged performance of her latest smash 'Dark Horse.'

Katy Perry is the latest lovely pop star face of CoverGirl, and she really brought her catchy tunes and showed off the brand's makeup in her new commercial for the makeup company, which aired during the 2014 Grammys. What is that song that backs her in the ad?

Katy Perry showed up at the 2014 Grammys in a Valentino tulle dress patterned with bars of music on it!

Got two minutes? For Katy Perry, you do! The behind-the-scenes footage from her mega hot GQ cover shoot is hotter than the booby-baring cover itself... and that was pretty blazing.

Katy Perry shared a digital image of what her Prismatic World Tour stage will look like. It juts out into the crowd, so Perry has plenty of room to walk around so she can connect with her Katy Cats.

Katy Perry and her bodacious, perfect boobies cover the February issue of GQ. Like whoa!

Get ready to roar Katycats: Katy Perry is bringing her Prismatic World Tour to North America!

The 2014 People's Choice Awards are celebrating the best in movies, music and television and winners are chosen by you!