S4, E1: The Fabulous Fatburner is a totally brilliant 30 minute cardio workout with some lovely Latino moves thrown in there... And it does exactly what it says it's going to do. Because your heart rate stays high all the way through, you'll be fatburnin' all the way through. Follow this up with Summer Shoulders - a great way to help you look like Jennifer Aniston in a tank top, and it's only a few minutes long…