Mel B walked off stage on Tuesday's live episode of "America's Got Talent" after Simon Cowell made a joke at her expense.

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The 42-year-old British singer threw a cup of water on Cowell and stormed off after the 57-year-old television personality made a wisecrack about her wedding night.

"I kind of imagine this would be like Mel B's wedding night," Cowell said after an escape artist had a technical malfunction during his performance. "A lot of anticipation, not much promise or delivery."

The "America's Got Talent" official Twitter account shared a gif of Brown's shocked reaction to Cowell's joke.

Brown, who filed for divorce from husband Stephen Belafonte in the spring, spoke to Entertainment Tonight after the incident.

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"He should know, if you say something inappropriate he's gonna get like, stuff thrown at him," the singer explained. "In a friendly way. I made sure there was no ice in it this time... just fizzy water."

"I told him he was an [expletive] and that was it, and he goes, 'Oh, whatever,'" she added.

Mel B filed for divorce from Belafonte in March after splitting from the film producer in December after nearly 10 years of marriage.

She later obtained a temporary restraining order against Belafonte after alleging he was abusive.

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"I am in fear of my safety and I am in fear of being irreparably harmed as a result of [Belafonte's] threats," the star said in court documents in April.