It's not a giant surprise that Mötley Crüe's Nikki Six has jumped on the celebrity clothing line bandwagon. But it is a giant surprise who he's chosen to help him: Kelly Gray, the former CEO and creative director of conservative womenswear line St. John. Gray is the daughter of St. John's founders, so maybe this is a very elaborate form of belated teenage rebellion? Click over to Racked National to see the debut of the duo's collection, Royal Underground. [RNA]