JESSICA HORNS IN ON KARDASHIANS!

Chasing reality TV dynasty of her own

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SHREWD Jessica Simpson is teasing a return to reality TV — but her California-based buddies, the Kardashian clan, fear the blond bombshell picked their brain for ideas to steal their boob tube thunder, sources blab.

The singer, 43, temporarily moved to Nashville, where she’s recording new music. But Simpson has revealed she’d also entertain a docuseries about her life in Tennessee with her 44-year-old hubby, retired NFL pro Eric Johnson, and their kids — daughters Maxwell, 11, and Birdie, 4, and son Ace, 10.