Heyoon Jeong (Korean: 정혜윤), born on October 1, 1996, in Daejeon, South Korea, is a multifaceted artist known for her talents as a singer, rapper, dancer, and choreographer. From a young age, Jeong was immersed in the world of movement, beginning ballet at just three years old. Her early passion for dance evolved into a dream of becoming a musician, leading her to relocate to Seoul in 2015 to pursue a professional career in the entertainment industry. Jeong rose to international prominence in 2017 when she was selected to represent South Korea in the global pop group Now United, formed by Simon Fuller under XIX Entertainment. As a core member, she was celebrated for her dynamic stage presence, sharp choreography, and vibrant energy. After six years with the group, she officially announced her departure on March 3, 2023, signaling the start of a new chapter. She made her solo debut on November 20, 2024, with the K-pop single “Pivot” featuring rapper Armani White, marking a bold step into her independent music career. In 2025, she followed up with another single, "ASAP," further showcasing her growth as a solo artist.