Olivia Munn is one proud mama! After The Newsroom actress, 43, opened up to the world about her battle with cancer and undergoing a double mastectomy, she’s leaned on her partner, John Mulaney, 41, and their 2-year-old son, Malcolm Mulaney, as a source of joy and support. Upon receiving the scary diagnosis, Olivia explained she was fearful she wouldn’t be able to be there for her baby boy throughout his life. “I was not someone who obsessed over death or was afraid of it in any way,” she noted in a recent interview. “Having a little baby at home made everything much more terrifying.” “You real…
