Justine B has 1 A.C.E concert.

A.C.E (Korean: 에이스) is a South Korean boy group formed by Beat Interactive, and co-managed with Swing Entertainment. The group consists of five members: Park Junhee, Lee Donghun, Wow, Kim Byeongkwan (formerly known as Jason) and Kang Yuchan. The group debuted on May 23, 2017, with the single "Cactus". Their name stands for "Adventure Calling Emotions".