Brad Paisley introduced the country duo, who donned similar teased 'dos and studded leather jackets to perform the TV debut of their song. The crowd clapped along, and Blake Shelton looked adoringly at his wife up on the stage.
Lambert recently told Billboard that she's a huge Carrie Underwood fan" but that "Somethin' Bad" is a meshing of our styles." She also noted that "there aren't many female collaborations in our format so I'm really excited to be debuting it on the Billboard Awards."
To call Lambert and Underwood the leading ladies of today's country music would be an understatement. Between the two of them, they've have scored 16 No. 1 singles on the Hot Country Songs chart, and eight leaders on Top Country Albums (9 No. 1s if you count Lambert's Pistol Annies band). Underwood has sold more than 15 million album worldwide, and Lambert has seen each of her first four albums debut atop the charts.
Miranda Lambert: Country's Gun-Slinging Tough Chick Reveals a Softer Side
Underwood, who earlier presented best new artist to Lorde, is also a Chevy Milestone Award finalist.