Park Soo-ah (born Park Soo-young on July 31, 1992), previously known by the stage name Lizzy, is a South Korean singer and actress. She debuted as a new member of girl group After School (and later, its sub-unit Orange Caramel) in March 2010. Apart from her group’s activities, she has also starred in various television dramas, including All My Love (2011) and Angry Mom (2015). She debuted as a solo artist with the digital single “Not an Easy Girl” in January 2015.