Christina Aguilera to Open AMA's

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Christina Aguilera is set to open the American Music Awards this coming Sunday with a seven-minute long medley of her greatest hits.

She will sing songs such as, "Genie in a Bottle," "Fighter", "Beautiful," "Keeps Getting Better" and "Dirrty."

“We are very excited to have Christina Aguilera perform at this year’s show," Dick Clark Productions President said in a statement.

"She raises the bar with each live performance and you can expect something special at the 2008 'American Music Awards.'"

Other that will take the stage this Sunday are: Kanye West , Miley Cyrus, Alicia Keys, Rihanna and Mariah Carey.