Working out on tour is no fun (to see other celebrities try to fit workouts in --> http://www.vingle.net/posts/530100) so its pretty impressive that Demi is so dedicated. Try to do three sets of these moves three times a week for a rocking bod like Demi's! 1) Lunge-Kick Combo - Stand with feet hip-width apart holding a 10-pound dumbbell in each hand, arms by sides. - Lunge back with right leg, bending both knees 90 degrees. - Pressing through left heel, stand up on left leg as you bring right knee up and kick right leg forward. - Return to rear lunge and repeat. Do 10 reps; switch legs and repeat. 2) Curtsy with Side Kick - Stand with feet shoulder-width apart, arms bent by sides. - Lunge right leg diagonally back, crossing it behind left leg, and lower into a curtsy. - Stand up on left leg as you swing right leg directly out to right side. Return to curtsy position and repeat. - Do 10 reps; switch sides and repeat. 3) Wood Chop Squat - Securely attach one end of a resistance band to a sofa leg or a sturdy post. Stand, feet hip-width apart, with your left side to sofa and grasp other end of band in both hands, fists by left hip (choke up on band to take up slack). - Squat, then stand up as you pull band diagonally upward toward the right, rotating torso toward right. Return to squat. - Do 10 reps; switch sides and repeat. 4) Plank Walk Push-Up - Stand with feet hip-width apart, then hinge forward from hips and place palms on floor in front of feet. - Walk hands forward until body is in plank position, then do a push-up. Walk hands back toward feet to return to start. - Do 10 reps. 5) Burpee - Stand with feet hip-width apart, then crouch and place palms on floor in front of feet. - Jump feet back into plank position, then jump feet toward hands again and stand up. Jump high, reaching arms overhead. Land with knees slightly bent and repeat. - Do 10 reps. 6) Crunch - Lie faceup on floor, knees bent, feet flat, and touch hands lightly to ears, elbows out to sides. - Crunch up then lower. Do 20 reps.