'Room' premiere in West Hollywood (10 images)

Cast members Brie Larson (L-R), Jacob Tremblay, Joan Allen and William H. Macy attend the premiere of the film "Room" held at the Pacific Design Center in West Hollywood, California on October 13, 2015. Photo by Phil McCarten/UPI

Cast member Brie Larson attends the premiere of the film "Room" held at the Pacific Design Center in West Hollywood, California on October 13, 2015. Photo by Phil McCarten/UPI

Cast member Brie Larson attends the premiere of the film "Room" held at the Pacific Design Center in West Hollywood, California on October 13, 2015. Photo by Phil McCarten/UPI

Cast member Jacob Tremblay attends the premiere of the film "Room" held at the Pacific Design Center in West Hollywood, California on October 13, 2015. Photo by Phil McCarten/UPI