Maddie auditioned in Los Angeles. She sang "New Rules" by Dua Lipa. All three judges voted "yes", sending her to the next round.
Maddie was shown in a group called "The Gurope" with Marcio Donaldson, Cesley Parrish and Samuel James singing "Stayin' Alive" by The Bee Gees. She advanced along with Marcio. She was also later shown in the Solo Rounds. Afterwards, she was placed in the same holding room as Catie Turner, Dennis Lorenzo, Trevor McBane, Jurnee, Christina Jones, Amalia Watty, Marcio Donaldson, Victoria McQueen, Dominique and Cade Foehner and it was revealed at everyone in their room had advanced. During Showcase Round, she sang "What About Us" by P!nk. At the Final Judgment, she was called up along with Effie Passero and the judges told her she was eliminated and Effie advanced.
- She auditioned with her friend Marcus, who has Down Syndrome. They also sang a duet of "Firework" by Katy Perry during her audition.