Porn Star Ariel Knight's career started in the mid-1980's, when she billed herself as Tami White. As Tami, she was known for taking on any sexual challenge and a willingness to do anything it took to make a scene sizzle. As such, she usually ended up in gang bangs, orgies, or anal scenes -- just one sweaty, heaving body among many. After a few years of this, though, Tami became Ariel, and she changed her image along with her name.…