Hailee Steinfeld attended the 2017 American Music Awards at the Microsoft Theater on Sunday in Los Angeles, California. The singer-actress suited up for the red carpet in a Mugler look from the Fall 2017 collection. Hailee paired the power suit with a leather crop top. During the show, the star and Alesso took the stage to perform her new single, “Let Me Go.” Hailee traded in her suit for a sparkly Nicolas Jebran mini-dress and matching over-the-knee boots. Check out both looks below.