Garth Brooks Daughter Gets Engaged Staff | July 31, 2017 | Country Daypop Tweet Share +1 Pinterest LinkedIn Email Garth Brooks surprised his daughter by performing on her 21st birthday, but another surprise happened when her boyfriend Jonathan Roberts propose to her. Garth Brooks’ Daughter Allie Gets Engaged During Dad’s Concert Via tasteofcountry.com 07/31/2017 10:22 AM Editorial credit: Sterling Munksgard / Shutterstock.com Previous Next