Bethenny Frankel 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, gluts, 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 "skinny girl" when you feel your healthiest, so trust yourself, enjoy yourself, and make Bethenny's workout your own.