She does her thing. Chrissy Teigenindulges.
Everyone is having a great time.
But then suddenly, like a spring chicken reborn,Christina Aguilera emerges from feathers to show Panettiere how to tackle her riffs in the Dirrty style that they were meant to be handled.
Watch their performance in the video below, and launch the gallery at the top of the page to view photos from Lip Sync Battle season 2. Aguilera’s episode will air on Thursday, Feb. 11.