
Pop star Christina dazzled in a full length figure-hugging black confection, her plunging neckline ensuring all eyes were on her as she sashayed into the Los Angeles venue.
She later poured herself into a a second-skin leather catsuit as she took to the stage to sing a snippet of her hit Genie in a Bottle, before wowing the audience with a high-energy performance of her new dance tune Keep Getting Better.
A very slender Lindsay Lohan also turned heads on arrival in a thigh skimming black frock, later changing into a backless white top and trousers.
She walked the red carpet alone, however girlfriend Samantha Ronson joined her on

Katy Perry, the big newcomer of 2008, looked every inch a pinup girl in hot pants and a halter top, which she said she found in a charity shop.
She arrived hand-in-hand with Disney star Miley Cyrus and later took to the stage where she performed a cover of Madonna's Like A Virgin as well as her hit I Kissed A Girl.
Disturbia singer Rihanna arrived in a strapless black top, short black and gold skirt and towering white heels.
She was nominated for Best Female Video for Take A Bow, however the gong was later scooped up by Britney Spears.
Pink, who performed her track So What at the ceremony, opted for full length and fabulous with a daring red and black strippe

The Pussycat Dolls looked suitable coordinated in pink, white and silver and later collected a award for Best Dancing in a Video for When I Grow Up.
The Hills star Lauren Conrad made a stylish entrance in a white mini-dress while her nemesis Heidi Montag opted for a black off the shoulder number.
Ashlee Simpson settled on a flowing gown, standing out from the crowd with one notable accessory - her baby bump.
Mel B spiced up her look with a sparkling champagne-colored mini-dress and heels, while Lady Victoria Hervey and Demi Moore also kept it short and sweet with thigh-high ensembles.