LOS ANGELES, CA - NOVEMBER 05: (EXCLUSIVE COVERAGE) Actress Shannen Doherty arrives at American Cancer Society's Giants of Science Los Angeles Gala on November 5, 2016 in Los Angeles, California. (Photo by Vivien Killilea/WireImage)
LOS ANGELES, CA - NOVEMBER 05: (EXCLUSIVE COVERAGE) Actress Shannen Doherty arrives at American Cancer Society's Giants of Science Los Angeles Gala on November 5, 2016 in Los Angeles, California. (Photo by Vivien Killilea/WireImage)