 On 29 May 2012, Mỹ Tâm was announced to be replacing Siu Black as a judge for the fourth season of "Vietnam Idol" alongside remaining judges Quốc Trung and Nguyễn Quang Dũng.The season aired in August 2012.Throughout the competition, Mỹ Tâm praised Huong Giang, a top-16 contestant and a transsexual.