A nude second layer did hide the most vital bits cool warm jackets , but was still small enough to provide a clear look at her impressive abs.
The thigh-skimming garment also showcased Britney's dance-honed legs.
Some very delicate nude heels completed the eye-popping ensemble.
Her famous blonde locks were parted in the middle and fell in golden waves down past her shoulders.
She employed some light-rose lipstick, and subtle blush, although her deep scarlet eye shadow was most prominent.
While Britney is obviously a musical superstar, there were many other celebs in attendance as well.
Songstress Rita Ora, 26, looked sensational in a glossy black sleeveless bodysuit that featured a shredded pattern.While she won a Grammy back in 2005, she was not nominated for one this year.
The 35-year-old pop legend showed off her stunning body on the red carpet in a sheer number that stopped at her mid-thigh.
While some strategically placed shiny starbursts covered her nipples, the Toxic singer still put on an extremely busty display thanks to the frock's extremely thin material.
Shiny tassels bordered the whole garment, which added drama to the already head-turning outfit.
Mary J Blige, 46, looked like a million bucks in a shimmering gold wrap dress which featured a very short hem.
Some very appropriate gold stilettos and shiny clutch rounded out the eye-catching look.
Of course Kourtney Kardashian, 37, stunned on the leather jackets as always in a complex dress consisting of a bralette, a mesh bodice and skirt portion featuring multiple slashes.