LA: 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.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.
According to the Daily Mail report, even Elton John was caught out cheekily eyeing up Katy, while TV presenter Ellen Degeneres made a joke of the unmissable subject.
'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.
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.'
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.'
