Steve Wynn's ShowStoppers at Wynn Las Vegas. Steve Wynn's ShowStoppers is a music spectacular that brings a vibrant and talented cast of 66 singers, dancers and a full orchestra with dazzling scenery and costumes to the intimate Encore Theater. Created with the same unmistakable elegance and style that is uniquely Wynn, Steve Wynn's ShowStoppers features a reinvented collection of songs and dances that make audiences literally stand up and cheer. Book and Save 21% Off Steve Wynn's ShowStoppers at Wynn Las Vegas.