Kevin Costner of Yellowstone declares himself 'now a Swiftie!' after witnessing the Eras Tour concert.

The actor hailed Taylor Swift's Los Angeles gig this week "an inspiring night." New Taylor Swift fan club member.

Kevin Costner and his 13-year-old daughter Grace Avery attended Swift's Eras Tour stop in Los Angeles' SoFi Stadium on Monday. On Thursday, the Yellowstone star declared himself a Swiftie.

Costner posted two evening videos and a snapshot on Instagram. g.

 Though "blurry," he said, "I had an amazing time with my daughter at the @taylorswift show." Watching her art unite so many individuals was amazing."

"I had a great view of her band and had fun watching them," he wrote. Inspiring night. "I'm Swiftie!"

Costner belongs. The Eras Tour's U.S. leg culminated Wednesday with Swift's sixth L.A. event, where most of Hollywood came to "Shake It Off."

Jeff Goldblum caught that "fever dream high," Channing Tatum said he was in his "daddy" age, and Charlize Theron jammed hard with her kids.

Meghan Markle, Selena Gomez, Taylor Lautner, Emma Stone, Austin Butler, Adam Scott, Laura Dern, Mariska Hargitay, Courteney Cox, Savannah Guthrie, Kaia Gerber, Keith Urban, Nicole Kidman, Julia Roberts, and more have been seen on the tour.

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