The new It couple stay close during a fun-filled holiday week. Plus: Demi & Ashton, Josh Hartnett and more

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LADY OF THE CANYON

While her Desperate Housewives costar enjoyed laundry duty, Marcia Cross and husband Tom Mahoney bask in the great outdoors during a brisk walk at Los Angeles's Will Rogers State Park on Sunday. Cross, who is pregnant with twins, is due in April.