Jun 4, 2011 08:45 AM
Christina Aguilera chatted with Extra's Mario Lopez at the Grove Friday. The Voice star held mini-auditions for the first 50 people who signed up for the "Extra X-tina Sing-Off." The winner received two tickets to a taping of The Voice.
Maybe the lucky winner will sit in on the extra episode of the talent competition show just ordered up by NBC. The Voice is taking a cue from Dancing With the Stars and adding a "results" show to air June 22, with the finale airing June 29.
In other Aguilera news, click through to find out who Xtina was rumored to be recording a duet with ...
SEE THE GALLERY Christina Aguilera Promotes Her Voice