Katy Perry

Just weeks after she hosted a bachelorette party for her close friend Katy Perry, Rihanna was caught dissing the California Gurl.[ami-related target="_blank"

Dancing to a medley of Katy Perry and Lady Gaga hits, attendants on a Cedu Pacific Airlines did their safety briefing with style on Thursday. You can watch the

Actor and comedian Russell Brand will likely find out next week if he will be facing misdemeanor charges stemming from his scuffle with a photographer at LAX

While Katy Perry's much-anticipated appearance on Sesame Street has been scrapped -- some parents who saw a promo for the episode complained that the singer's

Elmo appeared on Good Morning America Friday to share his thoughts on the controversy involving a Sesame Street sketch he taped with Katy Perry, which resulted

As if there weren’t enough reasons to root for them, adorable couple Katy Perry and Russell Brand took their hilarity-filled union through Manhattan, biking

After Sesame Street producers yanked a segment featuring pop singer Katy Perry on the grounds it was too salacious for the children's staple, the singer Tweeted

The letter for the day is "C" -- as in cleavage. That's what caused Sesame Street producers to pull a segment featuring pop singer Katy Perry, RadarOnline.com

Rihanna is sending Katy Perry off to marriage with a bang. The R&B singer threw the pop star a fabulous bachelorette party in Las Vegas Saturday night and

From the catwalk of Mercedes-Benz Fashion Week to the red carpet of the Toronto International Film Festival and the MTV Video Music Awards, the stars were out

Katy Perry isn't making any apologies for her fiancé Russell Brand following his arrest for battery at LAX Friday, RadarOnline.com has learned.[ami-related

Katy Perry's dress was taken up by a gust of wind in Los Angeles Thursday, exposing one of her long, creamy white legs, and RadarOnline.com has the photos for

Russell Brand has been arrested for battery at LAX airport, RadarOnline.com is reporting.[ami-related target="_blank"

On Tuesday, Katy Perry returned to her Santa Barbara high school to perform and got a shock when she noticed a former classmate in the crowd. RadarOnline.com

Katy Perry’s high school crush is brushing off her sarcastic shout-out to him at her at their old school. He told RadarOnline.com that it was “kinda

Blake Lively was the talk of The Town Tuesday night -- that is, the Boston premiere of her Ben Affleck-directed flick -- which hits the big screen on Friday.

Before RadarOnline.com brings you the Best, Worst & Wackiest Fashions live from the red carpet of the 2010 MTV Video Music Awards on Sunday night,check out all

Forget the red carpet, music's hottest stars walked the 'white' carpet for the 2010 MTV Video Music Awards at the Nokia Theatre L.A. Live Sunday night, and

From the glamorous red carpet of the Venice Film Festival to the tents of Mercedes-Benz Fashion Week in New York City, the stars were out in full force this

Dianna Agron and the rest of her Glee girls celebrated their Season 2 Premiere Screening and DVD Release Party in Los Angeles, dressed to impress in designer

From the red carpet of the Venice Film Festival to the streets of New York City, stars stepped out over Labor Day weekend in fab and funky fashion![ami-related

These sexy singers may have a thing or two in common when it comes to their careers and personal lives, but when it boils down to their bikini bods, no two

It was a glam day in the 90210 zip code, as stars from the hit television show hit The Taste of Beverly Hills. While Jessica Stroup look super chic in mustard

Katy Perry definitely isn’t your cookie-cutter celebrity. In a sea of skinny singers and starlets, the sassy singer is famous for her catchy tunes -- as well as

Kate Gosselin had everyone talking after showing up to the Emmy Awards on Sunday night in truly startling style, but the mother of eight isn’t done dropping

Hilary Duff is clearly enjoying newlywed bliss!  The gorgeous young star was absolutely glowing in Beverly Hills on Tuesday, spending the afternoon with her new

Audrina Patridge continued her Mad Men inspired style streak on Monday night, hitting the Dancing with the Stars cast party at STK in Los Angeles, channeling

It was a week of shocking frocks and dazzling dresses, as Hollywood's hottest stars hit the red carpet and the sidewalk in the Best, Worst & Wackiest wardrobe

Katy Perry made a surprise appearance at one of Manhattan's hottest gay bars, Splash, Friday night and you can see all the action here on

Stars were feeling the blues on Thursday afternoon, stepping out across the globe in the best and worst of the classic color. Rachel Bilson showed off her taut

Christina Applegate hit the Late Show with David Letterman on Wednesday, promoting her latest flick, Going the Distance in truly fab maternity mode. The

Star power was in full effect on The Late Show with David Letterman on Tuesday night, as the late night talk show host invited two sexy guests to share the

Summer is almost over, and stars are scurrying to wear this season’s scorching hot fashions before it is time to replace their embellished sandals with

We are totally Hung up on Anne Heche’s copper-toned look at The Late Show with David Letterman on Monday!  The haute mama, who stars on the hit HBO series,

The wait is over. Today Katy Perry releases Teenage Dream, her sophomore album that features mega-hit California Gurls featuring Snoop Dogg and the second

Katy Perry shocked a group of Australian high school students Friday night when she turned up — unannounced — to their prom!And RadarOnline.com has the

In her new video Teenage Dream, Katy Perry flaunts her stuff in a pair of super sexy jeans, which totally grabbed our attention. Just like her California Gurls

Move over Christian Louboutin and Sergio Rossi! There is a new designer heel in town. Katy Perry and Lucy Hale were both spotted kicking it in the exact same

Julia Roberts hit the premiere of her long awaited film Eat Pray Love in NYC, walking down the red carpet in multi-designer a la mode.  The tall and lanky

Though the Teen Choice Awards were filled with celebrities including the cast of both Twilight and Glee, one memorable moment came from a famous face not in the

Sandra Bullock returned to the spotlight at the Teen Choice 2010 awards - and RadarOnline.com has all the photos from inside the big event!Bullock went for the

Capitalizing on her hosting abilities, Katy Perry had plenty of time to promote her upcoming album, which includes her latest single Teenage Dream.   Using her

The stars are walking the red carpet of the 2010 Teen Choice Awards today at Gibson Amphitheatre in Los Angeles, and though the actual show doesn’t air on Fox

The 2010 Teen Choice Awards are just around the corner, so before RadarOnline.com brings you the Best, Worst and Wackiest fashions live fromthe red carpet

Win or lose at the Teen Choice Awards, this year's nominees are still at the top of their game. RadarOnline.com highlights some of the hottest stars to be

Katy Perry has the summer’s biggest single with California Gurls but the Beach Boys want credit. RadarOnline.com has learned that no lawsuit has been filed on

Bride-to-be Katy Perry is keen to put any rumors of bad blood between her and pop rival Miley Cyrus behind her once and for all, so she opened up to Rolling

The Win Butler-led, seven-member Canadian band Arcade Fire is back with their third album to date, The Suburbs, which took three years to make and finds

Can you believe Glee’s only been on the air for a year?  [ami-related target="_blank"

With her wedding to outrageous comedian Russell Brand just months away, Katy Perry isn’t wasting any time getting into shape and RadarOnline.com has inside