Starcasm.netBEFORE & AFTER Amber Portwood shows off impressive weight loss,Starcasm.netDaaaang, girl! Thanks to some healthy lifestyle changes, Teen Mom OG's Amber Portwood shed nearly 40 lbs. within the past four months. “36 lbs down and 15 more to go,” she tweeted earlier this morning along with the picture on the top right. “Almost at ...