Stars arrive at the Grammy Red Carpet

The 2013 Grammys are on, right now in Los Angeles, California! Who will follow the new ceremony's recently announced dress code?

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Katy Perry attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
Katy Perry attends the 55th Annual GRAMMY Awards at STAPLES Center on February 10, 2013 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)