Legendary mother-daughter duo the Judds opened the ACM 'Superstar Women of Country' special with their 1985 single, 'Girls Night Out,' appropriately.

Wynonna and Naomi chose a fitting song -- their third hit to make the country music charts -- to introduce Reba McEntire, Martina McBride, Carrie Underwood, Jennifer Nettles and Miranda Lambert to the stage for the start of the girls-only event.

The Judds, who have been going strong as a country music staple since the early '80s, were honored during the CBS special for having won Vocal Duo of the Year seven years in a row. In addition to their ACM awards, the pair also holds nine CMA trophies and five Grammys for Best Country Performance by a Duo or Group with Vocal.

The one-night-only 'ACM Girl's Night Out: Superstar Women of Country' show was taped on April 4, following the ACM awards in Las Vegas, but aired for the first time on April 22.

Watch the Judds Perform 'Girls Night Out'

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