Beste Songs Von The Voice Duetts. Britney spears's 10 best songs, below, represent the strongest elements of her artistry: Grab a friend for twice the fun!

Check out the top 5 here!watch the full performances:1. Combining opposite genders result in amazing harmonized battle performances in the voice. From loretta lynn and conway twitty, to vince gill and reba mcentire, we narrowed down 11 of the best country duets of all time.