L’Oréal Paris has announced actress, activist, and humanitarian, Viola Davis as the brand’s newest spokeswoman. In her new role, the 54-year-old joins an esteemed roster of diverse spokespeople including Celine Dion, Helen Mirren, Eva Longoria, Elle Fanning, Aja Naomi King, Nikolaj Coster-Waldau and Camila Cabello. “As…