People News Justin Bieber celebrates model Sofia Richie's 18th birthday 08/26/2016 Justin Bieber helped ring in Sofia Richie's 18th birthday on Wednesday. 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: Nicole Richie Justin Bieber Lionel Richie Sofia Richie
