Janel Meilani Parrish (born October 30, 1988) is an American actress, singer, Broadway performer, songwriter and pianist. She is best known for playing Jade in the 2007 film Bratz: The Movie and her recurring role as Mona Vanderwaal on the ABC Family series Pretty Little Liars. Description above from the Wikipedia article Janel Parrish, licensed under CC-BY-SA, full list of contributors on Wikipedia.