KNOCKED UP star Katherine Heigl hates her chubby legs so much she hasn't worn shorts for years. The bride-to-be admits her legs are the one part of her body she has virtually no control over. She explains, "I've always had problems with my legs. They're just the hardest part for me to work out, the hardest part for me to tone. "They're the first thing to put on weight, the last place to lose weight... I don't wear shorts very often."