Powder Room is a 2013 British comedy film directed by MJ Delaney and written by Rachel Hirons. It is based on the stage play When Women Wee scripted by Hirons, devised by Natasha Sparkes, Stephanie Jay, Emily Wallis, Amirah Garba, Amy Revelle, Stef O'Driscoll, and Jennifer Davies. The film stars Sheridan Smith, Jaime Winstone, Kate Nash, and Oona Castilla Chaplin.