Christina Aguilera and her contestant from The Voice, Beverly McClellan, performed a riveting duet of her smash-hit Beautiful on Tuesday's edition of the NBC hit.

"I've never done it the way I'm gonna do it tonight," Aguilera said prior to the standout performance, which featured a number of tempos, ranges and instrumental accompaniments.

McClellan said she was "honored" that "Christina ... shared this song with me as a duet ... I couldn't have asked for anything better -- I feel blessed."