I'm always surprised by how many musicians I have never heard of attend the Grammy Awards. Am I out of touch? Should I know who these many single-named singers are and what they're famous for? What is a Nadeea or a Vaja and a Huda? Fearing that these lovely ladies are actually superstars and I'm failing at being a pop culture expert by not knowing who they are, I've included them all in this gallery of the many, many famous faces who walked the red carpet at last night's Grammy Awards. Click through to see what everyone wore!