Katy Perry Shows of Her Sexy Side at The Grammy Nominations Concert

Katy Perry - The Grammy Nominations Concert at Club Nokia in LAKaty Perry performs at the Grammy Nominations Concert Live rehearsals on November 30.Katy Perry sported a shiny silver mini dress with snowflake detailing and slapped her rear end as she sings. In keeping with upcoming holiday season, Perry wore a silver bauble in her hair that looked like an oversized Christmas tree decoration.The