'Newlyweds' try again; Nick and Jessica are in love -- with other people -- and the race is on to see who will tie the knot first

Sounds like there's a bit of a race between ex-spouses JessicaSimpson and Nick Lachey.

Hollywood and music insiders are placing tongue-in-cheek bets onwhich star will make the first return to the altar. My sources whoare especially close to Lachey and his lady love, MTV host VanessaMinnillo, tell me an engagement is imminent. But that's also what'sbeing whispered about Simpson and her superstar lover John Mayer. "Ithink Jessica and John are truly, deeply in love," a Simpson sourcesaid Tuesday. "I'm betting he gets her a ring -- and a big one! --before the summer's out."

However, Minnillo has already moved in with Lachey in L.A., eventhough she's currently working …