There is nothing better than a good knockout round on The Voice. Especially when the singing leads to some sass from one coach to another.
In this exclusive clip from Monday's episode, Amber Nicole and Josh Logan from Christina Aguilera's team goes head-to-head to move on to the next round. The two singers do so well that Blake Shelton is amazed at how Christina's team members continue to get better and better each week. When he asks how she does it, her response is priceless. All she needed was to snap her fingers afterward to make it truly sassy.