When the 38-year-old Welsh-born actress is craving the fish-and-chips she grew up on, she piles slices of smoked-salmon on black bread and tops it with as many crushed potato chips as she can make in a sandwich. "No mayo or cream cheese," she told The Little Black Book of Hollywood Diet Secrets. "I promise you--it's delicious!"
But the real secret to this diet tip is remembering to indulge in your favorite foods smartly. Abstaining completely from the salty or sweet snacks you love most is a recipe--for diet disaster. Go Catherine!