Way before the reports of on-set diva antics surfaced, we predicted that Christina Aguilera's propensity for narcissism would sully The Voice. Well, we weren't wrong.

On the show's second to last episode tonight, Aguilera was tasked with performing a duet with her last remaining "protege," Beverly McClellan. After absolutely no deliberation, Aguilera chose "Beautiful," which just so happens to be her own damn song. Then, during the duet, Aguilera took every available opportunity to outshine McClellan. Because after all, she's the star—and don't you dare forget it!