From a simple suit and bow-tie to a daring bottom-baring costume the outfits at the Grammys were certainly varied.
Determined not to be outdone on a red carpet packed with the top names in the world music industry Madonna turned up wearing designer Givenchy, and gave the photographers a sneak peek of her derriere by mooning.
She teamed her black glitzy burlesque-style corset with thigh-high boots.
Television presenter Piers Morgan, who was among those to make some less-than-complimentary remarks about the Like a Virgin star, tweeted simply: "She's 56 ... a mother of 4 ..." alongside a video of the star flashing her bottom, covered only by a black thong and fishnet tights.
Rihanna on the other hand was rather more covered up, wearing a fairy princess style fluffy pink layered dress, while Beyonce kept it relatively simple in a black low-cut dress.
Sam Smith gave the ladies a run for their money, making three costume changes as the night progressed.
He looked dapper in a black suit and white bow-tie on arrival, before donning a burgundy suit to collect some of his awards, and a dark blue checked one for his live performance final awards triumph.
In outfits suited moreso to warm American climes Happy singer Pharrell Williams wore a range of suits with shorts rather than trousers.
Two of girl group HAIM wore outfits from British designer Stella McCartney's spring collection.
Kim Kardashian turned up in a gold John Paul Gaultier dressing gown-style outfit. She said: "I love how sparkly it is. I love it."