CNN  —  Olivia Munn is the latest star to model for shapewear brand Skims, and in the campaign images the actor shows her mastectomy scars as she continues her fight against breast cancer. In the photographs, taken by artist Vanessa Beecroft, Munn models products by the Kim Kardashian-founded lingerie and shapewear brand, including a head-turning nipple illusion bra. Launched in the final week of Breast Cancer Awareness Month as a partnership with the Susan G. Komen organization, the campaign