This multilevel nightspot with multiple dance floors pays homage to its New York namesake with disco early in the night, but it switches to dance and hip-hop at midnight. An impressive light-and-sound system is coupled with aerialists and confetti drops. Tuesday-Saturday from 10 pm. Dress code enforced. Women pay no cover (except for special events and concerts); men pay US$10 Tuesday-Thursday, US$20 Friday and Saturday, half-price with local ID. MGM Grand, 3799 Las Vegas Blvd. S., South Strip, Las Vegas. Phone 702-891-7254. http://www.studio54lv.com.