It’s easier for most people to stick with a workout regiment if one can maintain a set routine, but for someone like Black Eyed Peas first lady, Fergie, a routine isn't an option."I kind of go on a five pound fluctuation every year," Fergie admitted. "It's just either up or down a couple pounds. It's just usually how I live. I don't know if that's good for you but that's the way it is."While on their current world tour, the entire group has been working with Fergie's trainer, fitness guru DB Donamatrix. (ETonline.com)