Where: XS Nightclub at Wynn Las Vegas Suggested Attire: Bright colors, sparkles, feathers, Carnaval is a time of joy so bring out your most exciting party looks Required Accessories: Your conference badge and government-issued photo ID. Year after year the Medical Spa Show Opening Night Party is a can't-miss opportunity to mix and unwind with your medical spa peers. We can't wait to welcome you to the lavish XS nightclub to usher in another weekend of spectacle, connection and community. There's no industry like medical aesthetics and there's no memories like the ones you make at the Medical Spa Show.