Kim Gruenenfelder (born October 24, 1967) 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. Keep Calm and Carry a Big Drink, is a sequel to 2010's There's Cake in My Future. 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.