What happens when you love perfume but are hopelessly allergic?Eva LongoriaEva LongoriaIf you’re Eva Longoria Parker, who had her heart set on developing a signature scent, you take matters into your own hands. “If someone were wearing perfume next to me, I would sneeze and sneeze and sneeze,” said the Desperate Housewives star at launch party for Eva by Eva Longoria Parker at her restaurant