Katy Perry, Hilary Duff & More Attend Miley's Bangerz Tour!

Miley Cyrus & Katy Perry

It was a star-studded night at Miley Cyrus Bangerz concert in Los Angeles on Saturday! The singer performed

WATCH: Katy Perry's "Dark Horse" Video Premiere

Katy Perry

Katy-patra is here! Katy Perry channels her inner Egyptian in her new music video for “Dark Horse,” in…

WATCH: Katy Perry Teases Egyptian-Themed "Dark Horse" Video

Katy Perry

Leave it to Katy Perry to keep things interesting…and cultural? After dressing up as a geisha for a…

10 Celebrity Makeovers of 2013!

Photos by: Getty Images

2013 was a year of reinvention for many celebrities, whether it be in terms of weight loss, change…

Katy Perry Compares "Who You Love" Video to Kimye's "Bound 2"

John Mayer & Katy Perry

‘Tis the season for…starring in music videos with your significant other? On the Ellen DeGeneres Show Friday, Katy…

WATCH: Katy & John Serenade Each Other in "Who You Love" Video

John Mayer & Katy Perry

They may not be willing to get as intimate as Chrissy Teigen and John Legend for a music…

"United States of Pop" 2013 is Here: Mashup of the Year's Biggest Songs

Rihanna

Can you guess what the 25 biggest songs of 2013 were?! Don’t put too much energy into it…because…

PIC: Katy Perry & John Mayer Reveal "Who You Love" Cover Art

Katy Perry & John Mayer

Although John Mayer’s latest album Paradise Valley reached No. 2 on the US Billboard charts, the record’s first…

WATCH: Katy Perry Releases "Unconditionally" Music Video

Katy Perry

Three years ago, Katy Perry was shooting whipped cream out of her bra in her video for “California…

Katy Perry Announces World Tour!

Katy Perry

Another famous artist is gearing up to tour in 2014! Over the weekend, Katy Perry announced that she’d…

PIC: Katy Perry Sparks Engagement Rumors With Diamond Ring

Photo by Ian Gavan/Getty Images for MTV

Sunday was a big night for Katy Perry, who performed at the MTV European Music Awards and took…

WATCH: Robert Pattinson & Katy Perry Cozy Up For Karaoke!

Robert Pattinson and Katy Perry

Ever wanted to see what it’s like when old friends Robert Pattinson and Katy Perry have a night…

John Mayer Turns 36: His Relationship Timeline

Photo by Christopher Polk/Getty Images for NARAS

Since stepping into the Hollywood scene with his debut album Room For Squares in 2001, John Mayer has…

Funny Video: Celebs Read More Mean Tweets!

Selena Gomez

It was all about Kanye West on Wednesday’s episode of Jimmy Kimmel Live. Before he arrived, though, the…

Katy Perry & John Mayer Have Disneyland Date

John Mayer & Katy Perry

Things seem to be going great for Katy Perry and John Mayer. Although they’ve broken up twice in…

Katy Perry Calls Out Rihanna For Marijuana Use

Katy Perry & Rihanna

Katy Perry was only trying to give her friend Rihanna a compliment, but in doing so, she flat-out…

WATCH: Katy Perry Is Fierce in "Roar" Video

Katy Perry

The music video for Katy Perry’s new song “Roar” is here!
In the vid, the singer and her…

Katy Perry & John Mayer: Bedroom Blues!

Daniel Zuchnik/FilmMagic, Jen Lowery/Splash News

You won’t be hearing Katy Perry Roar in public anytime soon! Despite the singer, 28, and her rocker…

Katy to John & Wilmer to Demi: Most Romantic Tweet of the Week?

wilmer_katy

Celebrities don’t need to be photographed canoodling together to exhibit PDA anymore — they’ve got Twitter for that,…

Katy Perry Talks John Mayer Song Duet

Katy Perry & John Mayer

Uh-oh, John Mayer…remember what happened the last time you recorded a track with your girlfriend (oh, the Taylor…