People News Demi Lovato dating MMA fighter Guilherme "Bomba" Vasconcelos after Luke Rockhold split 01/04/2017 Demi Lovato and Luke Rockhold have reportedly called it quits. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Demi Lovato Wilmer Valderrama Luke Rockhold
