JESSICA CRAVES MORE MAYER!

SEXPOT Jessica Simpson and singer John Mayer had a hot and heavy time in her runaround heyday and now sources say the beauty's open to hooking up with the Free Fallin' crooner again in the wake of her crashed marriage to former NFL player Eric Johnson.

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Guitarist John Mayer was reportedly "obsessed" with Simpson during their tumultuous relationship

The 44-year-old songbird announced Jan. 13 that she and Eric, 45, dad of her kids Maxwell, 12, Ace, 11, and Birdie, 5, are ending their nearly 10-year marriage and according to a source, the pop tart turned fashion mogul has her sights set on a sizzling reunion with her rock star ex.

"She can't help remember ing how incredible the sex was, and now that she's not on the hunt for a husband, she feels like she can handle John's commitment issues," tattles a tipster.