Maggie Griffin died Tuesday at age 99.Kathy Griffin confirmed the news of her mother's passing in a post on Twitter. “My Mom, the one and only Maggie Griffin, passed away today.
I am gutted. My best friend. I’m shaking. I won’t ever be prepared," she wrote. The comedian also posted an image of the pair sitting poolside, with Maggie raising a glass. "I’m so grateful you guys got to be part of her life," Kathy told her followers "You knew her.