Hyuna has collaborated with several of her former label mates under Cube Entertainment, first forming the duo Trouble Maker with Jang Hyun-seung in 2011; which spawned two number-one singles.
Hyuna telah berkolaborasi dengan beberapa artis Cube Entertainment, pertama membentuk duo Trouble Maker dengan Jang Hyun-seung pada tahun 2011; yang melahirkan dua single nomor satu.