Popsugar Fitness Belly Fat Flat-Belly Challenge Day 1 Fat-Blasting Intervals and a Slimming Smoothie Kickoff Our Flat-Belly Challenge July 18, 2016 by Jenny Sugar View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Run Previous Next Start Slideshow Belly FatWeight LossBikinisSmoothies