In fall of 2015, the group announced their comeback on November 6 with their third mini album Demonstrate, confirmed the departure of Saem and Jooyi and the additions of Hyeme, Seulji and Alexandra. Alexandra will be the first ever African American female to be an official member of a Korean Girl Group. mirror dance practice 라니아 - 데몬스트레이트 Di (born Kim Da-rae, 김다래) T-ae (born Lee Tae-eun, 이태은) Xia (born Jang Jin-young, 장진영) Alex (born Alexandra Reid) Hyeme Seulji