Several songs were performed by 'American Idol' finalists and celebrities on Thursday. American Idol’s season 12 is history, and its finale featured several celebrity appearances, many with duet performances.

Thursday’s American Idol offered a quite a reunion. Season 3 winner Fantasia, season 2 runnerup Clay Aiken and former judge Paula Abdul appeared during the Top 5 Results live show. WATCH THE VIDEOS

Season 12 of "American Idol" will debut on Wednesday, Jan.16 and two of the show's judges shared their predictions for a likely winner this year. Nicki Minaj strongly believes that the winner will be a female. The "Starships" rapper said the female contestants were "exceptional" thanks to being more "more seasoned, more poised, more professional."