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," which she co-wrote and co-produced, from the Idol stage on Sunday.