Taylor Swift Shares the Stage With Steven Tyler, Alison Krauss and Kelsea Ballerini in Nashville

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Taylor Swift continues to impress with special guests during her 1989 World Tour.

Steven Tyler, Alison Krauss and Kelsea Ballerini were the latest musicians to join the 25-year-old pop star when she took brought her show to Nashville on Friday. 

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The crowd at the Bridgestone Arena went wild when the legendary Aerosmith frontman took the stage with the "Blank Space" singer to perform his band’s 1998 hit, "I Don’t Want to Miss a Thing."

"Singing 'I Don't Want to Miss a Thing' with @IamStevenT was an honor," she tweeted. "So inspired by how sweet he was to all of us."

Tyler called Swift's concert an "epic show" and telling her she "sure was [understood] tonight" after she tweeted, "I feel like I'd be more understood if people knew 'I Don't Want to Miss a Thing' by Aerosmith is how most of my emotions sound in my head."

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In addition to the rock icon, Alison Krauss came out to duet with Swift on her own country hit, "When You Say Nothing At All." "Breathtaking. Regal. Elegant. @AlisonKrauss singing 'When You Say Nothing At All.' So blown away by her grace," wrote on Twitter after the show. 

Rounding out the special guest appearances was Kelsea Ballerini, an up-and-coming country singer who Swift calls her "little sister." The two sang Ballerini's debut single, "Love Me Like You Mean It." 

Ballerini has long admired Swift, who has given her sage career advice in the past. During the People's Ones to Watch party, Kelsea told ET that Taylor told her to "always just be human and warm because people will always relate to that."
"She's just such a wonderful human and that shines thru her music," the 22-year-old singer adds. "She’s lovely and it’s awesome to have a mentor."

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Taylor Swift’s concerts have been star-studded spectacles, especially her Los Angeles shows that brought out the some major players like Mary J. Blige, Orange is the New Black’s Uzo Aduba, St. Vincent, and Justin Timberlake