Gloria Morgan Vanderbilt is most famous for being a mother—and not a very good one at that. And don’t forget, without her we wouldn’t have overpriced designer jeans or news sensation Anderson Cooper. But, her headline dominating custody battle gave us something more: tabloid journalism. Here are some of the most infamous ripped-from-the-headlines facts about Gloria Morgan Vanderbilt. 1. She Arrived With Room ServiceGloria Morgan Vanderbilt’s birth name was Maria Mercedes Morgan, and her identical twin sister got the less fancy-sounding Thelma. The two girls came into this world in a five-star …