MTV Europe Music Awards 2011: Katy Perry is Pink Lady and Jessie J is feline fine

Katy Perry plays the Pink Lady at MTV EMAs… while Brit Jessie J is feline fine in leopard-print gown

Bubblegum girl: Katy Perry arrived looking unseasonably summer in a baby pink jacket and sunglasses patterned dress Bubblegum girl: Katy Perry arrived looking unseasonably summer in a baby pink jacket and sunglasses patterned dress

Bubblegum girl: Katy Perry arrived looking unseasonably summer in a baby pink jacket and sunglasses patterned dress

Lady of the night: Gaga poses with her gongs on the red carpet as she tries to stay standing in figure-hugging metallic dress Lady of the night: Gaga poses with her gongs on the red carpet as she tries to stay standing in figure-hugging metallic dress

Lady of the night: Gaga poses with her gongs on the red carpet as she tries to stay standing in figure-hugging metallic dress

Bella! Jessie J showed off her curves in a yellow animal-print Dolce & Gabbana strapless dress Bella! Jessie J showed off her curves in a yellow animal-print Dolce & Gabbana strapless dress

Bella! Jessie J showed off her curves in a yellow animal-print Dolce & Gabbana strapless dress

Who needs just one outfit Jessie J wore a catsuit to pose for photographs as well as her leopard print

Who needs just one outfit Jessie J wore a catsuit to pose for photographs as well as her leopard print

Fashion forward: Katy posed with designer Jeremy Scott, whose hair was in a very similar quiff

Fashion forward: Katy posed with designer Jeremy Scott, whose hair was in a very similar quiff

Fancy meeting you here! David Hassellhoff looked very surprised to bump into the pink-haired star

Fancy meeting you here! David Hassellhoff looked very surprised to bump into the pink-haired star

Teen queen: Singer/actress Selena Gomez looks pretty in a cream Marchesa lace creation as she arrives at the MTV Europe Music Awards at Belfast Teen queen: Singer/actress Selena Gomez looks pretty in a cream Marchesa lace creation as she arrives at the MTV Europe Music Awards at Belfast

Teen queen: Singer/actress Selena Gomez looks pretty in a cream Marchesa lace creation as she arrives at the MTV Europe Music Awards at Belfast”s Odyssey Arena

No problems: Justin Bieber looked relaxed as he posed on the red carpet with actress Hayden Panettiere

No problems: Justin Bieber looked relaxed as he posed on the red carpet with actress Hayden Panettiere

Naked invasion: Despite Hayden claiming not to know anything about the streaker, it is believed the stunt was pre-arranged

Naked invasion: Despite Hayden claiming not to know anything about the streaker, it is believed the stunt was pre-arranged

Making a fashionable entrance: Israeli model Bar Refaeli (left) and Russian model Irina Shayk both showed off heir legs in tight dresses Making a fashionable entrance: Israeli model Bar Refaeli (left) and Russian model Irina Shayk both showed off heir legs in tight dresses

Making a fashionable entrance: Israeli model Bar Refaeli (left) and Russian model Irina Shayk both showed off heir legs in tight dresses

Figure-hugging: Hollyoaks actress Jennifer Metcalfe got attention in her shiny leggings and plunging sheer blouse Figure-hugging: Hollyoaks actress Jennifer Metcalfe got attention in her shiny leggings and plunging sheer blouse

Figure-hugging: Hollyoaks actress Jennifer Metcalfe got attention in her shiny leggings and plunging sheer blouse

Glamour: (L-R) London singer Katy B wore a black jumpsuit, Britain Glamour: (L-R) London singer Katy B wore a black jumpsuit, Britain Glamour: (L-R) London singer Katy B wore a black jumpsuit, Britain

Glamour: (L-R) London singer Katy B worea black jumpsuit, Britain”s Next Top Model winner Jade Thompson shimmered in silver, while Hayden Panettiere wore a patterned black mini

Teaming up: Snooki and her Jersey Shore castmate Jenni Farley both chose black and silver dresses

Teaming up: Snooki and her Jersey Shore castmate Jenni Farley both chose black and silver dresses

Sharing the limelight: Amy Lee and Tim McCord of Evanescence took to the pink carpet together, while Jason Derulo teamed up with David Guetta Sharing the limelight: Snooki joined her Jersey Shore castmate Jenni Farley on the pink carpet, while Jason Derulo teamed up with David Guetta

Sharing the limelight: Amy Lee and Tim McCord of Evanescence took to the pink carpet together, while Jason Derulo teamed up with David Guetta

In the pink: Bruno Mars and his band embraced the spirit of the occasion with suits to match the carpet

In the pink: Bruno Mars and his band embraced the spirit of the occasion with suits that matched the carpet

Goofing around: David Hasselhoff joked around for the camera... but didn Goofing around: David Hasselhoff joked around for the camera... but didn

Goofing around: David Hasselhoff joked around for the camera… but didn”t bring his girlfriend Hayley Roberts

Here come the boys: American electro-pop duo LMFAO (left) and rock group 30 Seconds To Mars Here come the boys: American electro-pop duo LMFAO (left) and rock group 30 Seconds To Mars

Here come the boys: American electro-pop duo LMFAO (left) and rock group 30 Seconds To Mars