Carrie Underwood and Miranda Lambert took center stage at the Billboard Music Awards in Las Vegas on Sunday night. With Carrie donning black shorts and Miranda in a red mini skirt, the country ladies put their powerhouse pipes to the test while rocking out to their new duet, "Somethin' Bad." They first linked up on the red carpet, posing for fun pictures together. Keep reading to see the duo's best moments!
Source: Getty / Ethan Miller