Christina Aguilera won't be the only big-voiced diva singing at this year's Super Bowl. E! News confirmed Friday (January 28) that "Glee" starlet Lea Michele will be on hand to serve up even more entertainment for the big game, which takes place February 6 at Cowboys Stadium in North Texas.

Before the NFL showdown begins, the 24-year-old actress/singer will perform her rendition of "America the Beautiful" during pre-game festivities. The championship battle between the Green Bay Packers and Pittsburgh Steelers also will feature [article id="1656545"]Aguilera, who will take duties belting out the national anthem[/article], and [article id="1652652"]the Black Eyed Peas[/article], who'll perform during the halftime show.

If the Gleek's performance doesn't curb your appetite, just sit tight after the game to see even more of the songstress during the highly anticipated [article id="1652550"]return of "Glee."[/article] The sports-themed episode will include contemporary covers of Michael Jackson, the Black Eyed Peas, Lady Antebellum and Katy Perry.

And what would Super Bowl Sunday be without the highly coveted TV spots? In partnership with Best Buy, [article id="1656785"]Justin Bieber and Ozzy and Sharon Osbourne[/article] have teamed up for a space-age commercial for the retail chain. The ad is set to air during the third quarter of the big game.

"We know people have high expectations for these ads, and Justin and Ozzy add a whole new dimension of fun," Best Buy spokesman Drew Panayiotou said.

In addition to his Best Buy commercial, the Biebster's commercial for his forthcoming 3-D feature film debut, [article id="1656282"]"Justin Bieber: Never Say Never,"[/article] will play during the "Glee" episode.

Who are you most excited to see perform at this year's Super Bowl? Tell us in the comments!