Confessions of an Ugly Stepsister is a 1999 fantasy novel by American writer Gregory Maguire, retelling the tale of Cinderella through the eyes of one of her "ugly stepsisters." In 2002, the book was adapted into a TV movie of the same name directed by Gavin Millar.

Gregory Maguire is an American novelist. He is the author of Wicked, Confessions of an Ugly Stepsister, and several dozen other novels for adults and children. Many of Maguire's adult novels are inspired by classic children's stories. Maguire published his first novel, The Lightning Time, in 1978. Wicked, published in 1995, was his first novel for adults. It was adapted into a popular Broadway musical in 2003.