An interesting mix of veteran country stars and newer acts are vying for Vocal Duo of the Year at the 2014 ACM Awards.

Big & Rich are nominated, along with newcomers Dan + Shay. Fresh off an enormous year, Florida Georgia Line also scored a nod.

Love and Theft capitalized on their recent successes for a nomination, and Thompson Square bounced back from Keifer Thompson's vocal troubles to score a nomination.

Which of these acts deserves to win Vocal Duo of the Year at the 2014 ACM Awards? Vote below as often as once an hour, and we'll tabulate the results for our ACM Awards predictions the week before the show.

Blake Shelton and Luke Bryan will return to host this year’s awards ceremony, which will air live from the MGM Grand Garden Arena in Las Vegas Sunday, April 6 at 8PM ET on CBS. See a complete list of nominees here.