Katy Perry took the Grammys red carpet by storm tonight in a dazzling seafoam green Gucci gown. The singer, who was reportedly inspired by Priscilla Presley for her look, arrived with good friend Allison Williams before joining her boyfriend, John Mayer, in the audience. Katy's look is not only supersexy, but it's also a mature, sophisticated departure from the star's signature flirty hemlines and candy-colored hairstyles — she played down the revealing cutout and embellished neckline of her dress with sleek, jet-black hair and dark eyeliner. Are you a fan of Katy's look tonight?
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