KEVIN COSTNER -- MARRIED OR NOT?

COME CLEAN, KEVIN!

A spokesman for Kevin Costner denied a report that he and live-in love Christine Baumgarten staged a romantic wedding in an old church in Italy -- but he keeps telling insiders Christine's his "wife"! Well, SOMETHING serious is going on! The star's breaking ground on a $15 million house on his 10-acre ranch in Aspen -- telling pals it's "a wedding present" for Christine! (Kevin: PLEASE give me the exclusive on your next denial!)