Katy Perry

They were both paying tribute to Dolly Parton at the Grammys, and had a chance encounter that didn't end too well. Source: <a href="https://www.youtube.com/watch?v=KXdOulZ81y8&amp;feature=youtu.be">YouTube</a>

When Katy Perry takes the stage for the Super Bowl XLIX halftime show on Feb. 1, she'll bring along some famous friends -- including Lenny Kravitz.

Singer-songwriter Katy Perry is one of the biggest celebrities in the world, but it doesn't stop her from partying like us normal people.

After eliminating dozens of our entries in the 100 Hottest Women of 2014, we have finally reached the summit.

Have you ever spent a few minutes, hours or days wondering how Katy Perry came to possess such ... talents? Allow her to explain.

Pop star Katy Perry says that Mick Jagger hit on her when she was an 18-year-old backup singer.

Just when you thought 'SNL' couldn't have put that Lindsay Lohan rumor to bed any harder, the first three episodes of the 2013-14 season will blow the lid off '30 Rock' altogether. Alumni Tina Fey will host the September 28 'SNL' premiere, with the weeks that follow to include the likes of twerqueen Miley Cyrus, Bruce Willis, and even a returning Katy Perry!

The Rolling Stones continue with their tour and the many guest appearances onstage....the latest Katy Perry. She joined Mick for a duet of beast of burden- see video.

The Grammy Awards were last night and, if you're a fan of rock music, there's a pretty good chance you didn't watch it. The Black Keys were the big winners and both Sting and Elton John performed. But the real star of the Grammy's last night wasn't actually a person...but the body part of a person: Katy Perry's Boobs.