Isn't every awards show just a big room full of exes?

Sure, every industry has its stars that date, and dump, one another. But in a too-close-for-comfort moment from Sunday night's Academy of Country Music Awards, Blake Shelton and Miranda Lambert's shared history came front-and-center when Shelton performed his new single, Came Here To Forget.

A single that's widely suspected to be about Shelton's breakup with Lambert — and his new, highly-public romance with his Voice co-coach Gwen Stefani.

Shelton issues aside, Lambert also had a killer night, killing it on the red carpet:

And on stage with Keith Urban and ZZ Top:

Revisit the best looks from the ACM Awards' red carpet in the gallery below.