During a Meaning of Life Tour stop in Nashville on Friday (March 29), Kelly Clarkson took a minute to speak directly to the audience in a segment she calls "A Minute and a Glass of Wine," which the superstar also broadcast to fans via Facebook Live. During this particular segment, however, Clarkson had a special surprise in store that, she explained to the audience, she had been looking forward to for a long time.

"I've been super, super excited about this particular 'Minute and a Glass of Wine' -- I mean, literally, I have been waiting for weeks to do this," Clarkson told the crowd, after sampling a bottle of red wine especially made for her tour, with the Nashville skyline embellished on the bottle's logo.

"I'm super excited about my guest ... This person has been such an influence, not just musically, but personally. It's just a really rare thing to meet your hero and they live up to it, you know?" she continued. "We put this together because I am a true fan, so I'm making this person sing way more songs than they probably thought they were gonna have to. Here we go. Her birthday was yesterday, y'all!"

As many screaming concertgoers had already guessed, the special guest for the evening was Reba McEntire, who then joined Clarkson onstage to duet on a medley of hits. Beginning with "Because of You," the superstar pair rocked their way through "Can't Even Get the Blues," "Fancy" and more classic hits, as well as McEntire's brand-new single, "Freedom."

McEntire has a busy week ahead: The country icon will release her new album, Stronger Than the Truth, on April 5, and is also set to host the 2019 ACM Awards just two days later, on April 7.

For her part, Clarkson kicked off her Meaning of Life Tour earlier in 2019, with Kelsea Ballerini as well as The Voice alum Brynn Cartelli on the road with her, and concluded the trek on Saturday (March 30). Her setlists featured a host of memorable covers by country stars such as Miranda Lambert, Blake Shelton and Brandi Carlile.

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