Mariel Hemingway book signing for "Out Came the Sun: Overcoming the Legacy of Mental Illness, Addiction, and Suicide in My Family" [Getty Images]

LOS ANGELES, CA - MAY 30: Mariel Hemingway attends her book signing for "Out Came the Sun: Overcoming the Legacy of Mental Illness, Addiction, and Suicide in My Family" at Brigitte and Stone on May 30, 2015 in Los Angeles, California. (Photo by Amy Graves/WireImage)

WireImage Amy Graves