VIDEO : Olivia Colman Beats Glenn Close And Lady Gaga For Best Actress

91st Academy Awards - Oscars Show - Hollywood, Los Angeles, California, U.S., February 24, 2019. Olivia Colman accepts the Best Actress award for her role in "The Favourite." REUTERS/Mike Blake LOS ANGELES, (Reuters) - Britain?s Olivia Colman won the best actress Oscar on Sunday for her performance as a petulant monarch in historical comedy ?The Favourite.? It was the first Oscar and first nomination for Colman, 45, who is one of the most beloved and prolific actresses in British television.