Miranda Lambert Returns To Stage For 1st Time Since Blake Shelton Split –– Singer Shocks With Cameo Duet With Friend Ashley Monroe

Miranda Lambert, in her first public outing since her divorce with Blake Shelton was announced, returned to the stage in Nashville for a duet with friend Ashley Monroe.

The Grammy-winner, clad in a black dress and matching cowboy boots, performed a duet of Monroe's "Has Anybody Ever Told You" -- a song she co-wrote -- in a surprise appearance Wednesday evening at the intimate club, The Basement.

Watch the video on RadarOnline.com

"I'll take the harmony, the Texas native, 31, told Monroe before the spirited performance, which they wrapped up with a hug.

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Lambert was in the crowd for most of the show, which was held in promotion of The Blade, Monroe's upcoming album.

As RadarOnline.com previously reported, the "Over You" singer and Shelton Monday said “this is not the future we envisioned" in making the shocking announcement, just more than four years after their May 2011 wedding in Texas Hill Country.

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The country music power couple's marriage wilted in the public spotlight, with cheating accusations directed at both sides.