JESSICA Biel has discovered the perfect way to stay in shape - she only eats half her meals The Easy Virtue star - who is currently dating singer Justin Timberlake - says she always sticks to small portions so she doesn't gain weight. "You have to find a balance, especially with what you eat. I don't live by the idea that you can't allow yourself a treat," she said. "I say, 'Eat things you like, but eat them in smaller portions'. I always cut things in half and send them back. I'm not perfect, I don't always do those things, but that's the goal." "I don't really get that, it's not my thing - I'm a knicker person," she told Manhattan Movie magazine. "I actually know a handful of people who aren't knicker people, but I don't get it" SS