Steve Wynns ShowStoppers celebrated its grand opening on Saturday, Dec. 20 inside the Encore Theater at Wynn Las Vegas. The vibrant production dazzled .brSteve Wynns ShowStoppers celebrated its grand opening on Saturday, Dec. 20 inside the Encore Theater at Wynn Las Vegas. The vibrant production dazzled .brSteve Wynns ShowStoppers celebrated its grand opening on Saturday, Dec. 20 inside the Encore Theater at Wynn Las Vegas. More Info .brbrVoted “Best New Show” in Las Vegas, Steve Wynns ShowStoppers is a music spectacular that brings a vibrant and talented cast of 66 singers, dancers and a .