Bethenny Frankel, star of The Real Housewives of New York and bestselling author of Naturally Thin and The Skinnygirl Dish, keeps her slim figure with simple, realistic exercise routines like this one. Celebrity instructor Kristin McGee joins Bethenny for a 40-minute yoga program that stretches and strengthens the entire body. You'll get toned abs, thighs, glutes, and arms while increasing flexibility and balance. Follow it up with a focused, 10-minute strength-training segment to sculpt lean muscles and increase your metabolism. Then finish off with the 5-minute Booty Blast to learn fun moves you can do anywhere for a tight, firm behind. Bethenny champions a down-to-earth approach to exercise that fits your lifestyle. No matter your size, shape, or fitness level, this program will work for you. You are a true skinnygirl when you feel your healthiest, so trust yourself, enjoy yourself, and make Bethenny's workout your own.