Heidi Klum — I’m Gonna Be a Judge on ‘Americas Got Talent’

Exclusive 0303-aft-heidi-klum-gettyAmerica”s Got Talent” just got a lot hotter … because our sources has learned Heidi Klum has just signed on to be a fourth judge on the reality TV show … which begins taping tomorrow.

Sources close to NBC tell our sources that “AGT” scored the smokin” hot model in a last minute negotiation and Heidi hopped on a plane to New Orleans today … where the show is holding its first audition rounds.

our sources obtained a photo of the “AGT” set taken today … which clearly displays the name “HEIDI” underneath her own personal judge”s “X” … which she”ll use to crush people”s dreams.

0303-heidi-klum-tmz-AGTHeidi joins other “AGT” judges Howie Mandel, Howard Stern and new-comer Mel B. You”ll recall Sharon Osbourne quit the show at the end of last season.