Popstar Demi Lovato took aim at a small frozen yogurt shop for daring to offer sugar-free options to its customers. In an Instagram story post, Lovato attacked The Bigg Chill Frozen Yogurt shop in Los Angeles, California, for being alleged “diet vultures.” The store is known for its wide variety of low-fat, sugar-free frozen yogurts and treats. Lovato claims it was “triggering” for her to walk past the sugar-free cookies. “Finding it extremely hard to order froyo from [The Bigg Chill Frozen Yogurt] when you have to walk past tons of sugar free cookies/other diet foods before you get to...