Tiësto, Zedd, Garrix, Aoki in Hakkasan Group’s 2020 lineup By John Katsilometes / RJ January 7, 2020 - 12:44 pmJanuary 7, 2020 - 12:44 pm Superstar DJ Tiësto says, “Vegas holds a special place in my heart,” as he returns to Hakkasan Group.