Heidi Klum has signed on to be a fourth judge on the reality competition show "America's Got Talent," TMZ reported.

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Auditions for the new season were to start Monday in New Orleans.

Once the contestants are gathered from tryouts across the country they will compete at the show's studio in New York.

The other judges on the "AGT" panel are Howie Mandel, Howard Stern and Mel B.

Sharon Osbourne quit as judge at the end of last season.