BRAD BLASTS NEW BABE FOR BABBLING SECRETS!

Fears he’ll lose kids if Nicole writes tell-all

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FLUSTERED Brad Pitt has told his fame-hungry girlfriend: “Zip it — or we’re through!” sources said.

Insiders claimed the Hollywood hunk, 56, hit the roof after model Nicole Poturalski, 27, spilled juicy secrets about their steamy new romance.

Now, The National ENQUIRER has learned the worst is yet to come — with the beauty mulling over a full-blown tell-all!

“This is a nightmare for Brad! It’s starting to hit him that he’s bitten off more than he can chew,” spilled a source.