Park Soo Young, previously known by the stage name Lizzy and Park Soo Ah, is a South Korean singer and actress. She debuted as a new member of the 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. She debuted as a solo artist with the digital single "Not an Easy Girl" in January 2015.
In May 2018, she left After School following the expiration of her contract but remains a member of Orange Caramel. In July 2018, she was announced to have changed her promotion name to Park Soo Ah.
On May 18, 2021, she ran into a taxi while driving under the influence in the neighborhood of Cheongdam in Seoul’s Gangnam district. On October 28, 2021, she was fined 15 million won.
On October 24, 2022, she signed an exclusive contract with BK ENT to resume her activities after her DUI case.