Jennifer Nettles, lead singer for the country band Sugarland, has married her boyfriend, Justin Miller.

Nettles, 37, wore an Alexander McQueen gown while she exchanged vows with Miller in a chapel by the Smoky Mountains in Tennessee, E! reported.

Bandmate Kristian Bush was invited to -- and attended -- the wedding, E! reported.

Sugarland fans took to Facebook and Twitter to express their congratulations to the country songbird.

So so happy for her! one woman tweeted.

Nettles' husband is a model-turned-entrepreneur, according to People magazine. This is her second marriage.