In a lesson on how to handle internet trolls with style and grace, 18-year-old Madison Haulter has effortlessly taken on those who felt the need to comment negatively on her prom pictures.

Lia Brehmer, 23, was made to feel fat by an assistant who suggested she buy a floaty dress to cover up her weight. A young woman left in tears buying her prom dress has set up her own shop in ...