Park Soo-ah (박수아), formerly recognized as Lizzy, is a South Korean actress and singer. She is a member of the sub-group Orange Caramel and a former member of AFTER SCHOOL from Pledis Entertainment.
In 2009, Before Park Soo-ah's debut in AFTER SCHOOL, she served as a backup dancer for Son Dam-bi on MBC's Gayo Daejun. Park officially debuted as a member on March 25, 2010, in the third single release, "BANG!". In June 2010, Park Soo-ah and fellow members Nana and Raina assembled the sub-group Orange Caramel, releasing the single "Magic Girl" showing a bubbly-charming image.
Park Soo-ah made her solo debut on January 23, 2015, with the trot album "Not an Easy Girl".
On May 1, 2018, Park "graduated" from AFTER SCHOOL following the expiration of her contract with Pledis Entertainment to pursue various careers.