SPLITSVILLE?

No comment from their publicists, but it does appear that Matthew McConaughey and Penelope Cruz's once very sizzling romance may have turned stone cold. The tipoff came when both stars showed up to present at the Golden Globe Awards on Monday night -- but not together. The once-cozy couple made a point of steering clear of each other at the Beverly Hilton Hotel fete -- in the ballroom, backstage and at the post-awards parties.

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