Christina Aguilera Rehearses Song She's Never Performed Live Ahead of Las Vegas Residency

Christina Aguilera is deep in rehearsals for her Las Vegas residency, and she’s hinting at the show’s setlist. On Wednesday (December 20), she took to social media to share a video from rehearsals. In it, she’s belting out a song that she has never performed live before! Head inside to watch Christina Aguilera’s rehearsal footage…