Matthew Mcconaughey has slammed reports he is cheating on Spanish beauty Penelope Cruz, after being photographed holding hands with a mystery woman in a Los Angeles bar last week (ends10MAR06). The HOW TO LOSE A GUY IN 10 DAYS star claims his relationship with the unnamed female is purely platonic and insists he has no plans to split with Cruz, his girlfriend since 2004. The star's representative said, "He was out with a good friend's wife."