via NBC press release:
SHAKIRA, LEONA LEWIS, RASCAL FLATTS AND CIRQUE DU SOLEIL TO PERFORM ON THE 'AMERICA'S GOT TALENT' SEASON FINALE WEDNESDAY, SEPTEMBER 16
Previously Announced Finale Performer Susan Boyle Will Sing Her New Song "Wild Horses"
UNIVERSAL CITY, Calif. – September 14, 2009 – The season finale of NBC's hit summer series "America's Got Talent" Wednesday, September 16 (8-10 p.m. ET) will feature special performances from Latin pop star Shakira, British singing sensation Leona Lewis, country music superstars Rascal Flatts, the world-renowned Cirque du Soleil and many more special guests to be announced.
Previously announced finale performer, Susan Boyle will debut her new song "Wild Horses." At the conclusion of the finale, the winning act to take home the million-dollar prize and a headlining show in Las Vegas will be announced.
Shakira will perform the world premiere of her mega-hit single, "She Wolf" from her forthcoming album of the same name, Leona Lewis will world premiere her song "Happy," Rascal Flatts will be singing their latest hit "Summer Nights" and Cirque du Soleil will present a sneak peek performance from their brand new theatrical production "Banana Shpeel."
"America's Got Talent" is produced by FremantleMedia North America and Simon Cowell's SYCO Television. Cowell, Cecile Frot-Coutaz (""), Jason Raff ("Mommas Boys") and Scott St. John ("Deal or No Deal") serve as executive producers.