Grammys 2011

50 Most Memorable Grammy Looks

Suits, skulls and spandex: From J.Lo to John Lennon, see the night's most iconic fashion turns

WHAT A GIRL WORE

Nominee Christina Aguilera took a plunge in 2001 in this bellybutton-bearing dress that didn't leave much to the imagination. Even more talked about was her colorful hair. "This was a point in my life when I wanted to have braids, when I wanted to be able to be unafraid to experiment," she said.