Keeps Gettin’ Better star Christina Aguilera will open the American Music Awards this Sunday, November 23 with a seven-minute medley of her greatest hits, UsMagazine.com reports.

Xtina’s opening number will include “Genie in a Bottle,” “Fighter”, “Beautiful,” “Keeps Getting Better” and “Dirrty,” says a show snitch.

“We are very excited to have Christina Aguilera perform at this year’s show,” Dick Clark Productions President Orly Adelson said in a statement Thursday. “She raises the bar with each live performance and you can expect something special at the 2008 ‘American Music Awards.’”