Best Song of Summer 2015: Kenny Chesney vs. Miranda Lambert

This first Best Song of Summer 2015 pairing features two country superstars. Kenny Chesney and Miranda Lambert both have had feel-good summertime jams this year, but only one can move on to the second round.

Chesney's "American Kids" is the favorite. The ACM-nominated song was a chart-topping smash for an artist who redefines summer with each new album. The colorful song features an even more colorful music video, but all you need to know about the track is how it makes you feel.

"Little Red Wagon" is as sassy as a country-rock song can get without drawing a dirty look. No, many people still don't know what Lambert was referring to when she shouts out "You can't ride in my little red wagon," but most don't care. It was a Top 20 hit for Lambert in 2015, and one of the signature tracks from her Platinum album.

Vote and vote often for your favorite of these two songs. You can vote once every hour until Round 1 voting ends on July 21 at 11: 59PM CT. The winner will move on to square off against either Kelsea Ballerini or Frankie Ballard. The overall winner will be named on August 12.