Park Jung Ah

On November 28, 2000 Jungah along with Jewelry would participate in the compilation album 딴따라로의 길을 출발함 with the songs "이젠" and "몽" before officially debuting on March 30, 2001 as a member of Jewelry with the release of their first studio album Discovery. On August 25, 2006, she made her solo debut with the release of her studio album Yeah. In December of 2009, Jung Ah was revealed to have left the group.

In May 2013, Jung Ah announced that she would be leaving Star Empire Entertainment and had signed under WM Company. She then debuted with the group Mamadol on January 28, 2022 with the release of their single "Mama The Idol", which included the song called "WooAh Hip". Unfortunately, the group then disbanded on February 4 following the airing of the final episode.