In this episode in honor of Mother's Day, the Top 5 finalists will sing songs dedicated to moms, in addition to performing from the catalogue of American Idol alum and seven time GRAMMY® winner Carrie Underwood. The Top 5 finalists were surprised with a trip to Nashville and the opportunity to learn from Underwood while she served as superstar guest mentor for the week. Underwood will also perform her hit single, "Cry Pretty".