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 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. The likes of Rihanna, Katy Perry, Charli XCX, Beyonce and Nicki Minaj also dressed to impress in Los Angeles.