Heidi Klum appeared on Jimmy Kimmel Live Tuesday, and, just ahead of the June 1 premiere of Americas Got Talent, revealed the craziest act shes seen as a judge on the show. For those familiar with AGT, this may not come as a surprise.

What's the craziest act that you've seen in your years on AGT? Kimmel asked. So many crazy ones, Klum replied. Number one, the regurgitator. Did you guys know you have to look him up, he's absolutely amazing.

Stevie Starr, the regurgitator Klum was referring to, sometimes put on truly stomach-turning performances in which hed swallow objects and manipulate them in different ways before regurgitating them. On one occasion, Starr appeared to screw a nut onto a bolt inside his stomach. Another time, he borrowed jewelry from Klum.

He took my diamond ring, swallowed it, swallowed a locket, a key. And inside of his stomach, put my ring in the locket, locked it and regurgitated it all back up, Klum said. He does the weirdest things.

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Heidi Klum on the craziest 'Americas Got Talent' act shes ever seen: 'He does the weirdest things' - Yahoo Canada Shine On