People News Gabrielle Union dresses up as Gwen Stefani for '90s birthday celebration 10/29/2018 Gabrielle Union paid homage to Gwen Stefani by dressing up as the singer for her '90s-themed birthday celebration. 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: Gwen Stefani Mary J. Blige Gabrielle Union