Is Britney trying to send us a message, stepping out these days in her old wedding dress? A source close to Kevin Federline tells PageSix.com that Spears has given her ex a heads-up that she may tie the knot anew soon, and that her recent getaway to Mexico was so that photo beau Adnan Ghalib could get a quickie divorce from his wife. Another source says any such wedding would purely be a "business" arrangement - "They've never even hooked up" is the claim - so that Ghalib can get a green card. Nonetheless, K-Fed is said to have "flipped out" upon hearing of Brit's latest activities.

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