Kristen and Kellan Talk Diet & Exercise

Kristen Stewart, 21, has been throwing herself into exercise and dieting in order to get in shape for her role in 'Snow White And The Huntsman'. 'I've never worked out before,' she told GQ magazine. 'Now I'm only allowed to eat stuff out of a box. It works. Also I feel more energised and stronger.'

'Twilight' star Kellan Lutz, 26, always wears a calorie counter enjoys seeing how many calories he’s worked off by simply walking around on set or at home. “It’s a motivator, and I encourage everyone to have something in their life to look at so you know that you are doing something,” he tells Seventeen magazine.

Via Gossip_Dance, MSNStarlounge