Katy Perry

Katy Perry has done it all — she’s released platinum albums, toured all over the world, debuted a big-screen movie and signature fragrance. Now, the pop star is taking on another side of the music biz with Metamorphosis Music, a joint venture record label with Capital Records.

Katy Perry called in to the show to talk about her new video for "Birthday" and what it was like getting dressed up -- and down -- for the hilarious clip.

Katy Perry has added another achievement to her already impressive resume: meteorologist. Well, amateur meteorologist.

The Kids' Choice Awards nominees are in -- and we're so excited. Are your favorites nominated? Read on to find out.

Katy Perry and Rita Ora are two of the most stylish pop stars of their generation and they each do so much more than sing. They showed off their catwalk talents by making cameos on the Moschino Runway in Milan on Feb. 20.

The 2014 ELLE Style Awards took place in London last night (Feb. 18), with Katy Perry nabbing the Woman of the Year honor and doing so in a floral Vivienne Westwood frock. Fellow singers Ellie Goulding and Lily Allen were there, as was actress Emma Watson.

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.

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

As if you needed another reason to tune in to the 56th Annual Grammy Awards on Sunday, Jan. 26. Lorde will take the stage, making her Grammy debut, while Katy Perry, Taylor Swift and Pink will return to the stage to perform as well.

Katy Perry has been named a UNICEF Goodwill Ambassador. She also performed at the organization's ninth annual Snowflake Ball in NYC (Dec. 3), looking sparkly in silver and resplendent in red while at Cipriani Wall Street.

The 2013 American Music Awards were pretty innocuous and safe, in terms of pop star antics. There was no tongue-and-twerk craziness and things were tame for prime time, network TV. However, the broadcast was not without controversy, as Katy Perry was accused of racism after her performance of 'Unconditionally,' which featured the singer dressed as a geisha.

For the 2013 American Music Awards, our favorite stars dressed to the nines. While some singers, like Ariana Grande, opted to go ultra-glam, others, like Katy Perry, had fun with the red carpet. (We're still obsessing over her book clutch.) Check out the photos of this year's best dressed celebs.