Demi Lovato & Sister Madison De La Garza Hit the Dance Floor at Madison's 16th Birthday Party

demi lovato steps out after sister madisons 16th birthday party2 05

About Photo #1129597: Demi Lovato broke it down on the dance floor at her sister Madison De La Garza's 16th birthday bash! The "Sorry Not Sorry" singer and the Desperate Housewives… Read The Post Here