It is difficult to believe that it was just five years ago that Sugarland was opening for country superstar Kenny Chesney and he was shifting media interviews to them.

Now, of course, the duo of Kristian Bush and Jennifer Nettles are major country stars in their own right. And although the newly married Nettles just announced she’s pregnant, it doesn’t seem that will slow the duo down this summer. In a way, the birth of Nettles’ first child reflects the birth of the duo’s music diversity.