Tuesday, the five "American Idol" finalists will perform songs made famous by the Rat Pack, a legendary group of jazz singers that included Frank Sinatra, Dean Martin and Sammy Davis Jr.
Season 5 "Idol" champ Taylor Hicks will reportedly perform on the results show.
Remaining singers on "Idol" are Adam Lambert, Danny Gokey, Allison Iraheta, Kris Allen and Matt Giraud.
What should the Top 5 sing? Share your thoughts on our "Idol" blog.