Best Song of Summer 2015: Zac Brown Band vs. Reba McEntire

The last semi-final matchup in the Best Song of Summer 2015 contest involves two of the biggest stars in the format. Reba McEntire fans got behind her song early, and so did Zac Brown Band's faithful. The two Big Machine Label Group artists will square off in this pairing.

"Homegrown" won by beating Florida Georgia Line. With 86 percent of the vote, it was the biggest butt-kicking of the second round. It's clear fans want the upbeat country song to go far in this contest, but the same can be said of McEntire.

The red-haired country legend's first single in years was a Top 30 hit. "Going Out Like That" is a feisty female anthem that's sounded great as the weather stays warm in 2015. Does she still have the fans to take on a country supergroup however? The winner of this battle will move to the finals to face either LoCash or Kenny Chesney.

Sixteen songs were chosen by ToC staff for this Best Song of Summer 2015 contest. Round by round, fans have been deciding which songs move on, with the ultimate winner being announced on Aug. 12. Vote up to once every hour in this contest, which ends at 11:59PM CT on Aug. 4.