Her secrets to getting and staying GorgeousWhen a woman wants to look gorgeous, she can turn to any number of talented jewelry designers. When she wants to look Drop Dead Gorgeous, there’s only one: Erica Courtney. The Los Angeles–based Courtney ­actually trademarked the phrase for her signature luxury line. “At my first few shows, I used three-word taglines to describe my collections,” she recalls. “When people visited my booth, they would point at my designs and say, ‘Drop dead gorgeous!’ I thought, why ever change it? Now it’s part of the name.” Read on to get to know the woman behind the flattering phrase.Courtney’s Helyn bracelet, made from her mom’s necklacesAge: Good question!Number of years in the biz: 27 yearsNumber of employees you oversee: A fantastic team of 10 who are always busyFamily/pets: My beautiful son, Josh, gorgeous ­daughter-in-law, Jesse, an