Catherine Zeta-Jones looked like a vision in a white silky dress as she shared a stunning desert photo to celebrate the end of her working week on Instagram.The photo appears to have been taken some years ago, although Catherine still maintains her enviable youthful glow.MORE: Inside Catherine Zeta-Jones and Michael Douglas' £3.64million mansionIn the photo, the Oscar-winning actress poses with her arms out in the air and an open mouth.