The customer said her sister had bought a black suit and she was too big when she left the retailer puzzled during the summer vacation. When she took another routine size 8 bikini, it seemed that the missguided cheap swimming suits was much larger. Then she put Facebook, where she posted the picture at the bottom of girlsmouth page two. Shoppers also uploaded a snapshot of her black buttocks at the waist to show how big they were. She said, “my sister just ordered the size 8 bikini from missguided on vacation, and she’s going to be in two days.” …