CBS sent out a memo for those attending the 2013 Grammys to adhere to a particular dress code (no "puffy" bare skin!), but some celebs pushed the envelope anyhow. We rate the severity of their crimes from 1 to 10, 10 being the most flagrant violation.
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Photo Credits: Gregg DeGuire/Getty Images; Jason LaVeris, FilmMagic; NBC, Chris Haston / NBC; Chris Haston/NBCU Photo Bank/Getty Images; Vivian Zink/Getty Images; Bill Records/NBC via Getty Images; Gilbert Carrasquillo, FilmMagic; Michael Lavine/FOX; Laurie Sparham/Netflix; Gene Page/AMC; Giovanni Rufino, ABC via Getty Images; Richard Cartwright/ABC via Getty Images