Christina Aguilera Talks "The Voice" on "The Tonight Show"

During the course of the interview, Leno played a video of Miss Aguilera and fellow coach Adam Levine arguing on the set of "The Voice," after which Christina dubbed the Maroon 5 frontman as a wannabe Justin Timberlake.

Christina's other topics of conversation included her profound admiration of the late Etta James and her Disney habit, while she topped it all off by being joined by her team from "The Voice" to singer with Rickey Minor and the band from "The Tonight Show".