In an "America's Next Top Model" first, a contestant stormed off during judging, and didn't come back!

Britain-born Louise Watts, 25, was fed up with the judges' feedback. Trouble started brewing during last week's makeovers, when Louise refused to cut and color her long blond hair (she eventually conceded).

What set the model off last night was judge Kelly Cutrone's critique during a photoshoot and judging panel. What went down left shocked judges and contestants alike.

Watch the video below:

Of course, this isn't the first model meltdown. Back in Cycle 16, Brittani Kline ran off stage after suffering a panic attack. But she stayed in the competition ... and won.

Talk about ugly behavior!

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