Janel Meilani Parrish (born October 30, 1988) is an American actress. She is best known for playing Mona Vanderwaal on the Freeform mystery drama series Pretty Little Liars. She is also known for portraying Young Cosette in the Broadway production of Les Misrables (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.