"It's too cold outside for a run," "the gym is too crowded," "I'll do it tomorrow." We all know these oh-so-familar excuses for not working out. Sure, it's so much easier to plop down on the couch after a long day than to lace up those sneakers. But there is finally hope for even the laziest of the lazy gals. We talked to personal trainers, Pilates instructors, and physical therapists who revealed various exercises that can be done on your very own sofa. Get ready to transform your body one episode of "The Real Housewives of Beverly Hills" at a time.