Olivia Munn switched up her appearance on Wednesday and when she showcased her look on Instagram it left fans divided. The Newsroom star, 40, had a hair and makeup makeover and looked thrilled with the results she shared on social media. MORE: Olivia Munn's post-exercise selfie in lycra will blow you away But some of her followers weren't so happy about her transformation and urged her to be more natural. WATCH: Olivia Munn shows off her epic martial arts skillsIn the photos and videos, Olivia