[1][2] In 2001, the family moved to the American father's hometown of Columbus, Ohio, where Nancy spent her early years and attended school.

[8][9] Nancy auditioned in Korea's Got Talent as part of a hip-hop group called "Cutie Pies" in 2011.

[10][11] As a teenager, she appeared in several TV programs, including The Unlimited, and also participated in Mak Ee Rae Show: Just Do It Expedition in 2012, in which she traveled to the Philippines and Saipan with South Korean actress Kim Yoo-jung.

[23][unreliable source][24] In 2017, Nancy was cast in the lead role with boy band ZE:A member Ha Min-woo in Naver TV's web music drama series Some Light.

[29] On June 26, 2018, Momoland released their fourth mini-album Fun to the World with the lead single "Baam" becoming the 15th best-selling song of July 2018 on Gaon Music Chart.

[29] In October 2018, Nancy appeared in episode 11 of MBC's Dae Jang Geum Is Watching, alongside her fellow-members JooE, Hyebin and Daisy as idol trainees.

Nancy plays two characters: Lee Chae Rin of the present time, and also the role of Princess Seungman in the Silla period.