WATCH: Katy Perry's in Disguise for "Birthday" Video!


Katy Perry is barely recognizable in the brand new video for her song “Birthday!” In the eight minute…

PIX: Celebs at Coachella!

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Click through the gallery below to see what celebs were up to during the first weekend of the…

PIC: Katy Perry Debuts "Slime Green" Hair

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Just when you thought Katy Perry was leaving the hair dye in her “California Gurls” era, she’s made…

John Mayer's Secret Affair With Kelly Monaco!

Photo by: Michael Buckner/Getty Images

Another secret relationship exposed! As Star previously reported, John Mayer’s cheating ways were the biggest problem in his…

Katy Perry Responds to Miley's Twitter Diss!

Photo by: Larry Busacca/Getty Images

It looks like this is a friendly feud, after all! After just three hours, Katy Perry responded to

Miley Cyrus Disses John Mayer in Tweet to Katy Perry!

Miley Cyrus & Katy Perry

Burrrrrn! Miley Cyrus is firing back at Katy Perry after the singer recently talked about her in an…

Katy Perry Catches John Mayer Cheating!

Photo by: Charley Gallay/Getty Images

Less than three weeks after being spotted on a romantic stroll in Hollywood, Katy Perry and John Mayer…

REPORT: Katy Perry & John Mayer Split

Photo by: Charley Gallay/Getty Images

Another one bites the dust?! Katy Perry and John Mayer have reportedly broken up…again. According to E!, it…

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

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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

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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


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

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

Katy Perry Announces World Tour!

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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…