So cute!  Dierks Bentley had a show and everyone from Kacey Musgraves to Dierks' two little girls joined him onstage.

Here's a quick video of the night:

 

And here are pics from the ACMs, where Dierks performed with Sheryl Crow

http://www.991wqik.com/photos/country-cam/the-best-of-the-academy-of-386110/