Thuy Nga Paris By Night's emcees Nguyen Ngoc Ngan and Nguyen Cao Ky Duyen getting pamper at a nail salon? Well not really, they're there as part of an advertisement for Super Relax EZ Back Zero gravity massage and spa chair at a Houston Nails Show. Also emcee Ky Duyen gets a chance sell her herbal medicine. Something she's known for. Check out the photos courtesy of Ky Duyen.