American Idol winner Lee DeWyze will sing the national anthem during the NBA Finals on Sunday. DeWyze will perform in front of about 20,000 NBA fans at the Los Angeles Staples Center before game two of the L. A. Lakers/Boston Celtics battle.

Lee DeWyze on 'American Idol' (FOX)

Lee DeWyze on 'American Idol' (FOX)

The NBA has previously granted performance time to a slew of other American Idol winners, including Kelly Clarkson, David Cook, Jordin Sparks and Carrie Underwood. Sunday’s game will be Lee DeWyze’s first major gig since he won the coveted American Idol winner title this season.

After the NBA Finals, DeWyze will head out on the road with the rest of the American Idol top 10. The American Idols Live Tour kicks off July 1 in Auburn Hills, Michigan and runs through September 15.

The NBA Finals game, with Lee DeWyze singing the national anthem, will be aired live on ABC starting at 8 PM ET on Sunday.

>> Previously: Crystal Bowersox on Lee DeWyze as American Idol: We Both Win

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