Heidi Klum

Heidi Klum Credit: Heidi Klum (Getty Images)

It's official: Heidi Klum is joining the judges' table on "America's Got Talent" next season, NBC confirmed Monday.

The 39-year-old supermodel, who hosts Lifetime fashion competition show "Project Runway," joins returning judges Howie Mandel and Howard Stern, as well as former Spice Girl Mel B, this summer.

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