Season 4 Finale
Aired : Thursday, 17 September 2009 / 21:00
Plot
Season four ends with the winner being revealed and the $1 million being awarded. Also, Susan Boyle, from Britain's Got Talent, pop-singer Shakira, English singer Leona Lewis, country stars Rascal Flatts and Cirque Du Soleil.
Network
NBC (USA)
Genre
Reality-TV