All change: Katy Perry arrived on the red carpet in a stunning pink Marchesa gown (left) before changing into 10 further outfits, including this red velvet coat and black suspenders
Special treat: Katy made sure her boyfriend Russell Brand didn’t feel left out by wearing a sexy version of the West Ham strip (his favourite football team) with ‘Rusty’ written across the back
All that glitters: Katy performed a series of songs in a saucy ringmaster outfit, but went for a more slinky evening look in a midnight blue flapper dress as she sat upon a crescent moon
Enjoying the view: Presenter Katy is hoisted over the crowd during the awards bash
Everything’s just peachy: Katy wore a dangerous pointy bra and knickers ensemble (left), but later went for a more conventional mini dress and heels
What a cabaret: Katy took to the stage in a series of Cabaret-inspired outfits including a pearl bolero over a black and white Agent Provocateur corset (left) and a transparent corset and tulle skirt
Where is Mein Herr? Katy looked angelic in a feathery white dress (left) and looked ready for bed in a retro fluffy bed cardigan and black satin bra as she sat in champagne glass a la Dita Von Teese
Something’s missing: Katy wore a red ballgown with chunks apparently hacked out of it
‘Feathers and lace and garters… oh my’: Katy posted a picture of her dressing room full of clothes on her Twitter micro-blogging page
Red alert: Beyonce takes to the stage in a skimpy leotard and suspenders
Fashion forward: Beyonce squeezed her curves into an Atelier Versace metallic bodice gown, while Israeli model Bar Refaeli flashed her pins in a fringed peach mini-dress
Flying the flag: British singers Leona Lewis, in black Vivienne Westwood harem pants (left) and Joss Stone, in a Blue Halo turquoise wrap dress, arrive at the awards show
Show-stopping: Leona performed in a huge Vivienne Westwood corset ballgown
Showing some leg: Colombian singer Shakira in Versace (left) and British star Pixie Lott wearing a Dolce & Gabbana ruffled mini on the red carpet
Leathering up: Rapper Lil Kim and rocker Juliette Lewis pose for the cameras
Steamy: Shakira started off her performance singing in a white towel in a ‘sauna’, which she peeled off to reveal a metallic gold and silver outfit
Firestarters: U.S. band Green Day kick of the show with an energetic performance
Lighting up the night: U2 perform in front of the Brandenburg Gate
Song for freedom: U2’s Bono and rapper Jay-Z perform in front of the Brandenburg Gate during a free concert in collaboration with MTV Europe
Anticipation: Berliners were treated to a light show as they waited for U2