Photos: 71-year-old singer, Cher's racy outfits at the 2017 Billboard Music Awards

71-year-old singer, Cher wore quite revealing outfits as she performed at the 2017 Billboard Music Awards in Las Vegas on Sunday. She wore a sheer silver outfit for her first performance and another risque black outfit which showed off her trim midriff and derriere, paired with racy thigh high boots for her second performance. See more photos after the cut.