The Voice USA Season 4 Spoilers: Sarah Simmons Wins Knockouts (VIDEO)

If you didn’t believe it already than last night on The Voice USA Season 4 Knockouts proved it that Sarah Simmons is a force to be reckoned with on Team Adam and she may go far in the competition. Adam Levine has stacked his team with some powerhouse singers, but can they all make it that far on The Voice 2013 when the live shows start? Check out Sarah Simmons take down Warren Stone in their Knockout Round last night in our The Voice USA Season 4 spoilers video below!