We’ve asked Beachbody On Demand (BOD) super trainer Megan Davies to share her best belly fat-busting workout so you can melt your muffin top in the most efficient and effective way possible.

Having belly fat and a "muffin top" around the waist is common -- and it can be unhealthy. Follow the advice in The Lean Belly Prescription, and according to the book cover, you canlose up to "15 ...