Kim Gruenenfelder is an American author and screenwriter. She became known for writing women's fiction, specifically romantic comedy fiction, novels.Her debut novel, A Total Waste of Makeup, has been published in six languages and eight international editions to date, and is followed by a sequel, Misery Loves Cabernet. Her next series began in 2010 with There's Cake in My Future, which was followed in 2013 by Keep Calm and Carry a Big Drink. Her fifth published novel, Love The Wine You're With, which details the adventures of a group of friends who open a wine bar, was released June 13, 2017. Her next novel Hangovers and Hot Flashes, released in December 2018, follows the lives of protagonists in their forties. Her latest novel is 2020's My Ex's Wedding.