Hyuna a debutat cu Wonder Girls, un girl group de la JYP Entertainment, ca main rapper in trupa. A participat la mini albumul lor de debut The Wonder Begins in februarie 2007. A parasit trupa in iulie din cauza parintilor ei care erau ingrijorati de starea ei de sanatate.
Hyuna debuted with Wonder Girls, a JYP Enterteiment girl group, as a main rapper. She was in their debut mini album The Wonder Begins in february, 2007. She left the group in july because of her parents who were worried about her health.
