Maude Apatow is an American actress. She is the eldest daughter of director Judd Apatow and actress Leslie Mann, and is possibly best known for her very popular Twitter page. After minor roles in Knocked Up (2007) and Funny People (2009), as the daughter of Leslie Mann's characters, she had a slightly bigger role in the 2012 film, This Is 40 (2012), again as Leslie Mann's character's daughter.