Celeb tattles report that proclaimed stalker Jessica Simpson, recently rumored to be possibly reconciling with ex-husband Nick Lachey, now regrets not bagging Jessica Biel’s Sexyback BF Justin Timberlake “when I had the chance.”

Jess is said to have had a ‘crush’ on J.T since her days a Newlywed on MTV; once ‘The Sweetest Sin’ singer was single again, Justin had hooked up with serial awards show dress horror Cameron Diaz.

Friends of ‘America’s Dumbest Blonde’ say she’s chalking it up to ‘bad timing,’ while still holding out hope of one day becoming Justin’ ‘Girlfriend.’

A Jessica snitch reports.”Not that she’s given up all hope,” oh God, no! “She’s hoping that he’ll get tired of Jessica Biel and be back on the market.” Egad!!!