Miranda Lambert & Carrie Underwood Debut 'Somethin' Bad' at the Billboard Music Awards

Miranda Lambert, Carrie Underwood
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Miranda Lambert and Carrie Underwood perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada.

Something bad never sounded this good before.

Miranda Lambert and Carrie Underwood took the stage at the 2014 Billboard Music Awards, where they debuted their new duet "Somethin' Bad" for the crowd at the MGM Grand in Las Vegas. The song is from Lambert's upcoming album "Platinum" due out on June 3.

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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.

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Underwood, who earlier presented best new artist to Lorde, is also a Chevy Milestone Award finalist.