The lights never go out in Vegas, particularly when you're a star that shines as bright as Christina Aguilera. The singer pulled out all the stops for the opening night of her second-ever Las Vegas residency, and she was absolutely glowing about it, in more ways than one.
Donning several show-stoppingly gorgeous looks throughout her first evening at Voltaire at the Venetian, we were particularly taken aback by the glowing blue number above (and below!)—and it's clear from the photos that Aguilera is loving how it feels to perform in it, too.
