Prior to the final competition, the delegates compete in the preliminary competition, which involves private interviews with the judges and a presentation show where they compete in swimsuit and evening gown. It was held on May 11, 2017 on the official Miss USA YouTube channel and was hosted by Entertainment reporter and Miss Wisconsin USA 2009 Alex Wehrley and Deshauna Barber.

Miss USA 2017 was the 66th Miss USA pageant. It was held on May 14, 2017 at the Mandalay Bay Events Center in Las Vegas, Nevada. Terrence J and Julianne Hough served as hosts, while Ashley Graham also returned as backstage host, all for a second consecutive year. Brett Eldredge, Pitbull, and the cast of Michael Jackson: One by Cirque du Soleil performed.