Janel Meilani Parrish Long is an American actress and singer. She is best known for playing Mona Vanderwaal on the Freeform mystery drama series Pretty Little Liars and spin-off Pretty Little Liars: The Perfectionists. She is also known for portraying Young Cosette in the Broadway production of Les Misérables (1996), and Jade in the teen comedy film Bratz (2007). In 2014, Parrish participated in the 19th season of Dancing with the Stars, taking third place. She also appeared as Margot Covey in the To All the Boys film series.