Olivia Munn Reveals Breast Cancer Diagnosis, Underwent a Double Mastectomy

Olivia Munn shared her breast cancer diagnosis with fans on Instagram, revealing she underwent a double mastectomy. The actress posted several photos from her journey, as well as a lengthy message explaining that she went through four surgeries over the last ten months. Olivia also thanked her partner, John Mulaney, for supporting her and helping take care of their son, 2-year-old Malcolm.