When Gabby Barrett takes the stage at Allegiant Stadium in Las Vegas on March 7 to co-host the 57th Academy of Country Music Awards, she’ll become the youngest host or co-host in that show’s history. The show falls two days after her 22nd birthday. Explore See latest videos, charts and news See latest videos, charts and news She’ll break the record previously held by Wynonna Judd, who was 22 years and 10 months old in April 1987 when she co-hosted the show along with Naomi Judd, her mother and partner in the high-flying duo The Judds, and Dallas star Patrick Duffy. Actor/singer John Schneider was just a bit older, 23 years and one month, in May 1983 when he co-hosted the show with Jerry Reed and Tammy Wynette. We’ve already reported that this year’s primary ACM Awards host, Dolly Parton, 7...