(CNN) Mariah Carey is headed back to TV, and this time it's as an adviser on season 15 of NBC's "The Voice." She released a promotional photo of herself from the show with the caption, "It's a MOMENT. I'm advising for the @NBCTheVoice Knockouts starting Monday 8/7c." A post shared by Mariah Carey (@mariahcarey) on Oct 23, 2018 at 8:31am PDT "The sessions with the contestants, some of them have completely blown me away," Carey said after the news was revealed on NBC's "Today" show.