John Michael Montgomery has a big reason to celebrate this week: He's a first-time grandpa! The singer introduced fans to his ...

Montgomery — who is the daughter of '90s country hitmaker John Michael Montgomery, and sister of singer Walker Montgomery — also shared several shots of the big day in her Instagram Stories.

Walker Montgomery, son of John Michael Montgomery, got engaged to Tigirlily Gold's Krista Slaubaugh on May 26 in North Carolina; The country artist proposed to his girlfriend of nearly two years ...

John Michael Montgomery performs during Pepsi's Rock the South Festival at Heritage Park on June 3, 2016 in Cullman, Alabama. Rick Diamond/Getty Images for Pepsi's Rock the South.

Walker Montgomery, son of John Michael Montgomery, got engaged to Tigirlily Gold's Krista Slaubaugh on May 26 in North Carolina. The country singers tells PEOPLE they 'both started laughing and ...