Ten celebrity men who went from skinny or super sized to seriously buff, and how they did it.

People used to think of James Bond as a suave dude in a tux. Since Daniel Craig first took the role in Casino Royale, many people - particularly women - have thought of Bond as a wet hunk in tight swimming trunks.

That image pretty much introduced Craig as the new Bond and his killer bod became the talk of the town. It still is. How did he get it? At the time of the film'€™s release, he told reporters that he worked out every day during the week, then drank a lot of Guinness at weekends. Now there'€™s a fitness tip we can all share.