updated 05/22/2011 AT 10:50 PM ET
•originally published 05/22/2011 AT 8:30 PM ET
More than two hours later, she collected another trophy, as Country Artist of the Year. “I’m just havin’ the best time doin’ this,” she said.
On stage, sporting a gold lamé tuxedo jacket, the “Baby” singer, 17, thanked his fans, as well as his mother and “my whole family, [talent manager] Scooter Braun, Usher – basically everyone who helped me get out of my hometown and live my dream.”