American Idol declared its “Mariah Week” during its seventh season. Mariah was a mentor on the show's X episode, which aired on April 15, 2008. After a mentoring session with Mariah, each of the top 7 contestants performed a song from her catalogue, including “Vanishing,” “Always Be My Baby” and “I Don't Wanna Cry.”
Mariah was back on the next episode, which aired on Fox on April 16, 2008, to perform her new single, “Bye Bye.”
Mariah was a judge on the twelfth season of American Idol, which premiered on January 17, 2013, on Fox. On the show's finale, which took place on May 16, 2013, Mariah performed a medley of some of her biggest hits, including “Vision Of Love,” “Make It Happen,” “My All,” “Hero” and “We Belong Together,” ending it with her brand new single, “#Beautiful.”