Find Out How Much Stars like Justin, Rihanna & More REALLY Make!

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It’s called show business for a reason! These top entertainers, including Justin Bieber, Rihanna and Leonardo DiCaprio, rake…

PIX: Stars Who Love to Show Skin Onstage

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Beyonce made headlines at the start of she and Jay Z’s On The Run tour last week, when…

Robert Pattinson & Katy Perry: It's Fireworks!

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For years, Katy Perry and Robert Pattinson’s closest friends have been hoping they’d get together. After all, the…

Katy Perry Writing Songs About John Mayer Breakup

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Two high-profile relationships later, it seems Katy Perry still hasn’t quite figured out the Hollywood dating scene. The…

Katy Perry Takes a Selfie With Adele!

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So this is where Adele’s been hiding! The singer has kept a low key since giving birth in…

Lady Gaga Disses Katy Perry on Twitter

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There’s only room for one green-haired, horse-riding diva in Hollywood — and Lady Gaga wants us all to…

Katy Perry Confirms She's Single

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Single…and on the prowl! Two months after it was reported that Katy Perry and John Mayer have split,…

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

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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!

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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!

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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!

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

REPORT: Katy Perry & John Mayer Split

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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!

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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…