Shannen Doherty never gave up the fight - and she didn't want Olivia Munn to either! Aside from being actresses, the women connected on a deep level after they were both diagnosed with cancer. As Perezcious readers know, the Beverly Hills, 90210 star dealt with cancer several times over the years. Her final diagnosis with breast cancer came in 2019, and it metastasized to her bones and brain. She sadly passed away in 2024.