Even Elton can't stop staring! Katy Perry causes a sensation as she flaunts her breasts in plunging dress at the Grammys
She missed out on a Grammy, but Katy Perry still caused one of the biggest sensations of the night.
The brunette singer's mint green Gucci dress featured a keyhole cut-out that showed off her gravity defying curves.
It quickly caused excitement online as the singer's fans expressed their admiration on Twitter.
Scroll down for video and winners...
Flaunting her assets: Katy Perry covers up her arms and legs on the Grammys red carpet but shows off her breasts in a cut out dress
Now that's impressive! Elton John appears to admire Katy's breasts
Taking a twirl: The daring dress looked great on Katy from every angle as she heated up the red carpet
And it wasn't just those at home who noticed.
Amusing photographs from inside the venue showed her fellow stars attempting but failing to avoid staring at Katy's breasts.
Even Elton John was caught out cheekily eyeing up Katy, while TV presenter Ellen Degeneres made a joke of the unmissable subject.
Cheeky grin: Elton had a bug smile as he went in for a hug off the singer
Wowser! Portia de Rossi and actress Ellen DeGeneres react with shock to Katy's plunging dress
Say cheese: Portia was ready for her photograph, but Ellen was far too distracted
'I was inspired by Priscilla Presley in the Seventies... Married to Elvis Presley, of course,' she told Ryan Seacrest on E!
Ryan joked that he had luckily had a lot of practice at staying focused when at that eye level.
One person who managed to avoid staring was her supportive boyfriend John Mayer, who instead stared straight into Katy's eyes as the pair cuddled up inside.
Don't look down! Proud boyfriend John Mayer makes every effort not to eye up his girlfriend's breasts
She's my girl: The pair held hands and kept close to one another
Practiced posers: The on/off again couple seem to be firmly together
Lifting the lid: Mayer said at the ceremony that his relationship with Katy felt 'very human'
Sat side by side, their hands clutched firmly, the pair were the picture of a loving couple.
It comes as Mayer said his relationship with Katy felt 'very human'.
The musician insists his romance with the Firework singer feels totally natural whereas he felt he was part of a celebrity circus with some of his previous partners.
In an interview with CBS Sunday Morning, he said: 'I don't feel like I'm in a celebrity relationship. For the first time in my life I don't feel like I'm in a celebrity relationship. I know it is high profile.
'It's hard to explain ... For me it feels like something that's very human.'
Impressive: Katy stands tall on the red carpet before presenting the gong
Confident display: Katy stands with hands on hips as she faces the cameras
The 35-year-old guitarist also admitted he has been thinking about marrying Katy, 28, in the future.
When asked if marriage could be in the pair's future, John answered: 'Of course. I mean, I'm still the kid from Connecticut. That's what you do.'
Meanwhile Katy's daring dress may have been revealing but it did comply with a memo from bosses at CBS, which screened the awards.
A Wardrobe Advisory warned that body exposure would not be tolerated at the event.
The requirements specifically instruction to 'avoid sheer see-through clothing that could possibly expose female breast nipples.'
The 55th Annual Grammys airs on 4Music at 10pm on Monday.
Behind the scene: Katy seen in another picture, here backstage at the ceremony
Be my date: Katy posing with Girls actress Allison Williams inside the ceremony
Ready for her close-up: Katy stands on the red carpet in front of the army of photographers
Outfit change: After drawing attention to her chest Katy then changed to attend an afterparty
Fun night: Singer Miguel joined Katy and John to party hard after the ceremony
The Grammy Award Winners 2013... in full
• Album of the year: Babel, Mumford & Sons
• Record of the year: Somebody That I Used to Know, Gotye featuring Kimbra
• Song of the year: We Are Young, fun
• New artist: fun
• Pop solo performance: Set Fire to the Rain (Live), Adele
• Pop vocal album: Stronger, Kelly Clarkson
• Rock performance: Lonely Boy, The Black Keys
• Urban contemporary album: “Channel Orange,” Frank Ocean
• Rap/sung collaboration: No Church in the Wild, Jay-Z, Kanye West featuring Frank Ocean, The-Dream
• Country solo performance: Blown Away, Carrie Underwood
• Country album: Uncaged, Zac Brown Band
• Pop/duo group performance: “Somebody That I Used to Know,” Gotye featuring Kimbra
• Traditional pop vocal album: Kisses on the Bottom, Paul McCartney
• Rap performance: N****s in Paris, Jay-Z, Kanye West
• Rap song: N****s in Paris,” Shawn Carter, Mike Dean, Chauncey Hollis, Kanye West
• Rap album: Take Care, Drake
• R&B performance: Climax, Usher
• Traditional R&B performance: Love on Top, Beyonce.
• R&B song: Adorn, Miguel Pimentel
• R&B album: Black Radio, Robert Glasper Experiment
• Rock song: Lonely Boy, The Black Keys
• Rock album: El Camino, The Black Keys
• Hard rock/metal performance: Love Bites (So Do I), Halestorm
• Alternative music album: Making Mirrors, Gotye
• Dance recording: Bangarang, Skrillex featuring Sirah
• Dance/electronica album: Bangarang, Skrillex
• Latin pop album: MTV Unplugged Deluxe Edition, Juanes
• Latin rock, urban or alternative album: Imaginares, Quetzal
• Latin jazz album: Ritmo!, The Clare Fisher Latin Jazz Big Band
• Tropical Latin album: Retro, Marlow Rosado Y La Riquena
• Country duo/group performance: Pontoon, Little Big Town
• Country song: Blown Away, Josh Kear, Chris Tompkins
• Gospel song: Go Get It, Mary Mary
• Gospel album: Gravity, Leerae
• Blues album: Locked Down, Dr. John
• Folk album: The Goat Rodeo Sessions, Yo-Yo Ma, Stuart Duncan, Edgar Meyer, Chris Thile
• Americana album: Slipstream, Bonnie Raitt
• Bluegrass album: Nobody Knows You, Steep Canyon Rangers
• Reggae album: Rebirth, Jimmy Cliff
• World music album: The Living Room Sessions Part 1, Ravi Shankar
• Children’s album: Can You Canoe?, The Okee Dokee Brothers
• Spoken word album: Society’s Child: My Autobiography, Janis Ian
• Comedy album: Blow Your Pants Off, Jimmy Fallon
• New age album: Echoes of Love, Omar Akram
• Jazz vocal album: Radio Music Society, Esperanza Spalding
• Jazz instrumental album: Unity Band, Pat Metheny Unity Band
• Large jazz ensemble album: Dear Diz (Every Day I Think of You), Arturo Sandoval
• Pop instrumental album: Impressions, Chris Botti
• Compilation soundtrack album: Midnight in Paris, various artists
• Score soundtrack album: The Girl With the Dragon Tattoo, Trent Reznor, Atticus Ross
• Song written for visual media: Safe & Sound (From “The Hunger Games”), Taylor Swift, John Paul White, Joy Williams
• Musical theater album: Once: A New Musical, Steve Kazee, Cristin Milioti
• Producer of the year, classical: Blanton Alspaugh
• Producer of the year, non-classical: Dan Auerbach
• Instrumental composition: Mozart Goes Dancing, Chick Corea
• Orchestral performance: Adams: Harmonielehre & Short Ride in a Fast Machine, Michael Tilson Thomas (San Francisco Symphony)
• Opera recording: Wagner, Der Ring des Nibelungen, James Levine and Fabio Luisi
• Choral performance: Life & Breath: Choral Works by Rene Clausen, Charles Bruffy
• Short-form music video: We Found Love, Rihanna featuring Calvin Harris
• Long-form music video: Big Easy Express, Mumford & Sons
• Historical album: The Smile Sessions (Deluxe Box Set), Alan Boyd, Mark Linett, Brian Wilson, Dennis Wolfe
VIDEO Katy Perry's eye-catching gown proved to be a distraction
VIDEO Elton gave a well-received performance with Mumford & Sons
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