“Real Housewives of New Jersey” icon Teresa Giudice isn’t backing down from anyone — not even a battle-hardened soldier.

Page Six’s “Virtual Reali-Tea” has obtained an exclusive clip from Thursday night’s Season 4 premiere of Fox’s “Special Forces: World’s Toughest Test,” where the Bravolebrity finds herself in an uncomfortable verbal showdown with Sergeant Jason Fox, better known as “DS Foxy.”

The fiery moment comes when DS Foxy begins sizing up the recruits — and wastes no time setting his sights on Giudice.

“Clear the hair from your face,” he commands in the footage. “Alright, it’s not a night out. Have you got a problem with me already?”

Giudice, 52, tries to keep her cool. “I don’t,” she replies politely.

But Foxy cuts her off quickly, “Shush. You’re stupid.”

Unfazed, Giudice d

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