Chris Pratt makes surprise appearance onstage at Nashville bars

Actor Chris Pratt was spotted singing country music tunes at two honky-tonks in Nashville Thursday night.

After 11:30 p.m., Pratt showed up at Robert's Western World and joined singer and musician Sarah Gayle Meech on stage. The "Guardians of the Galaxy" star sang Johnny Cash's "Folsom Prison Blues," while Meech played the guitar.

Meech posted a photo, thanking Pratt for showing up.

"You never know who will show up at Robert’s Western World... Thank you @prattprattpratt you made our night!" Meech said.

Later, he was seen singing at Tootsie's Orchid Lounge on Broadway.

Pratt performed Garth Brooks' "Papa Loved Mama" at Tootsie's.

Instagram user @lesliewr posted a photo of Pratt singing at Tootsie's.

"Are you kidding me... resident #avengers nerd," @lesliewr said. "He came, he rocked, he owned."

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