Maude Annabelle Apatow is an American actress. She is best known for portraying Lexi Howard in the HBO drama series Euphoria. The elder daughter of filmmaker Judd Apatow and actress Leslie Mann, Apatow began her career as a child actress playing the daughter of her mother's characters in her father's films Knocked Up, Funny People, and This Is 40. Later film roles have included Assassination Nation and The King of Staten Island, as well as the Netflix miniseries Hollywood.