"It was so impactful to work with her," he said. "She is, in my eyes, a legend of my generation; and to work with her, and for her to be so hands-on, was amazing. She really cares about your craft, and she shaped and molded me into a better artist, a better singer. ... I learned so much from her, from the other contestants. I learned a lot about show business, about the behind-the-scenes business and politics, and the whole aspect of how things work."