On January 7, 2017, she made her American debut with the single "Fall Back" under the stage name A.Leean.
2019: Departure from YMC, Butterfly, new agency
On March 25, it was revealed that Ailee's exclusive contract with YMC Entertainment had expired on February 28 following unsuccessful renewal negotiations. However, Ailee explained that she would continue to work with YMC on her new album Butterfly, which was released on July 2, and will leave the label once album promotions have ended.
On September 10, Ailee announced that she will managed by her own one-man agency called Rocket3 Entertainment. In November, Ailee revealed that she is preparing to enter the American market and will be releasing the seasonal track "Sweater" on December 12.
- Good Girl (Mnet, 2020) - contestant