Carly Rae Jepsen is ready to go on tour with Katy Perry! ET's Lauren Zima chatted with the 31-year-old singer at the premiere of her new movie, Leap!, at the Grove in Los Angeles on Saturday, where ...

"Woman of the Year" honoree, singer Katy Perry, attends Billboard's "Women in Music 2012" luncheon at Capitale on Friday Nov. 30, 2012 in New York. (Photo by Evan Agostini/Invision/AP) "Woman of the ...

Watch the 'Teenage Dream' star singing the song poolside in Los Angeles. Katy Perry has unveiled a video of herself covering Carly Rae Jepsen's 'Call Me Maybe'. The video, which you can watch below, ...

Add Yahoo as a preferred source to see more of our stories on Google. Katy Perry has announced that her tour in support of semi-disastrous yet big-selling Witness is kicking off 10 days later than ...

Katy Perry and Carly Rae Jepsen shared the spotlight at the Billboard Women in Music Event, where the two technicolored starlets were the guests of honor. Perry earned the highly coveted Billboard ...

UPDATE: Katy Perry's 'Firework' won in Round 2! Vote for ‘Firework’ in Round 3 of the competition here. Welcome to March Music Madness! Here at PopCrush, we’ve selected 32 of the most iconic pop songs ...

If there's one song that will make you want to get drunk and do some video karaoke - this is it. It's currently number one in the UK singles charts and Justin Bieber has already made an alternative ...

NEW YORK: Billboard named Katy Perry its woman of the year, but the pop star thought her year was 2011. "I felt like my year was last year ... I thought my moment had passed," Perry said in an ...