Olivia Munn revealed her mastectomy scars in a marketing campaign for Kim Kardashian’s shapewear brand, SKIMS . The Newsroom actress posed topless for the brand’s new campaign during Breast Cancer Awareness Month . The photo shows the scar on Olivia’s breast from the double mastectomy surgery she underwent last year after being diagnosed with breast cancer. Highlights Olivia Munn revealed her double mastectomy scars for a SKIMS campaign during Breast Cancer Awareness Month. The actress hopes to