MICHAEL CLASHING WITH CZJ

Couple could be headed for another separation

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SOCIAL butterfly Catherine Zeta-Jones is flitting about New York City and spending less and less time with aging hubby Michael Douglas — and some fear that may spell trouble for the actors' 25-year marriage, sources say. The Chicago femme fatale, 56, admits that she's “never been in L.A. schmoozing” and points out that she and Wall Street star Michael, 81, have long lived on the East Coast, where she now regularly runs in business and art circles.

With the couple’s kids — son Dylan, 25, and daughter Carys, 22 — grown, sources say the empty nesters lately seem to be living separate lives.