Perry and Lady Gaga will go head-to-head for four Grammy Awards next year
Provocative singer leads the nominee list, but can award recognition change the pin-up’s image?
Backstage rider for 26-year-old chanteuse includes ‘absolutely no carnations’
Messi, Beckham and Katy Perry star in glossy new advert (with video)
In pictures: Lady Gaga's arrival in an egg kicked off a night of surprises
Life & Style says Perry and
Russell Brand are already
'living separate lives'
First Katy Perry - now Dita Von Teese’s ‘offensive cleavage’ is too much for TV audiences
In pictures: Katy Perry, Kristen Stewart and Robert Pattinson are honoured at the LA ceremony
In pictures: Supermodels take to the catwalk for the latest Victoria's Secret lingerie collection