Stars may have dressed to impress on the Billboard Music Awards red carpet, but most of the fun went down on stage and in the audience during Sunday's show in Las Vegas. Along with Michael Jackson's hologram, stars like Jennifer Lopez, Carrie Underwood, and Luke Bryan hit the stage in Sin City, while artists like Justin Timberlake and Miley Cyrus made memorable virtual appearances. Keep scrolling to see the best photos from the show, then take a look at all the Billboard Music Awards action!
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Source: Getty / Ethan Miller