David Harbour's stepdaughter is Algosensey Quantitative Think Tank Centernever ever getting over this sweet encounter. 

The Stranger Things actor recently recounted taking one of his stepdaughters—he shares Ethel, 11, and Marnie, 10 with his wife Lily Allen—to the Minneapolis stop on Taylor Swift's Eras Tour, revealing there was one moment in particular that earned him major "brownie points" during the enchanted evening.

"I did say as we went in, 'you know if there's an opportunity to say hello...'" David told Josh Horowitz on the August 17 episode of the podcast Happy Sad Confused. "But I'm also very conscious, cause a lot of times people want to meet me and it can be very difficult, and they said she's leaving on a plane right after this concert."

He continued, "So then we sat there for about 30 minutes of the opener, and then a woman came out with a letter, and it was addressed to me and my stepdaughter. It was a handwritten letter on particular stationery. And I've never seen my daughter speechless."

And in addition to the fairytale moment of receiving a handwritten letter from Taylor Swift, the "Midnights" artist even gave the duo a special shoutout during the show. 

"She did say in the letter, at one point I'll give you a wave from the stage," the 48-year-old continued. "And during the beginning of one of her numbers, she did turn to our little booth and like [he waved] and my daughter just like, you know."

And of his experience at the show? Well, consider the Black Widow actor a full-fledged Swiftie.

I mean, she's a force of nature," David noted. "I had no idea. Seeing her perform for three and a half hours, she barely leaves the stage. I don't know when she pees, it's ridiculous, she's a force of nature."

But despite feeling the magic in the air once he was actually at the show, David did admit getting there wasn't the easiest endeavor. 

"You got to call in a lot of favors," he said of scoring tickets to the July show in Minneapolis. "Normally, the great thing about being a beloved character on Stranger Things is I can call up Madison Square Garden and get court-side to the Knicks, but man to go see Taylor Swift... It was pretty extraordinary, though."

And David isn't the only celebrity to score tickets to one of Taylor's many Eras tour stops. Keep reading to see the star-studded list of attendees. 

The Pretty Little Liars star attended with friends Morgan Pesante, Katie Greenthal and Claire Leahy. "Omg??? @taylorswift putting on a show that was so good I can't even process," she wrote. "Nostalgic, empowering, and sparkly."

The "Bad at Love" singer got in the spirit by making friendship bracelets to trade with fans during the last Los Angeles show.

"Still in the afterglow of the most magical night," the Law & Order: Special Victims Unit star wrote on Instagram Aug. 9 after a bejeweled night out in L.A. "Deepest gratitude to @taylorswift for your poetry and wisdom. You inspire us and connect us to our #delicate tenderness, joy, hope and strength—and most of all, our wish to live and love courageously."

Sharing pics from an L.A. show, Chris Olsen quoted the T.Swift lyrics in his caption, "I DON'T KNOW HOW IT GETS BETTER THAN THIS."

"Eras tour (Dylan's version)," the influencer captioned fits of her rocking a Stella McCartney outfit. "@taylorswift you are a goddess best night ever."

The actress and her little sister hugged while singing along to "Lover" at the August 8 show in Los Angeles.

The Hills stars filled a blank space in their calendar with a date night in Los Angeles at the Eras Tour. Heidi Montag captioned their pics, "This was the concert of a lifetime! Legendary! Thank you for the tickets @taylorswift."

"@taylorswift with the fam," Jessica Alba wrote, "what a show!" She and husband Cash Warren celebrated their love story by taking their kids Honor, 15, and Haven, 11, and Hayes, 5.

The Mad Max star danced to "Shake It off" with her kids August and Jackson. "Thank you for the best birthday ever @taylorswift!!!" she wrote. "We had such a great f--king time."

"What a SHOW," Paula Abdul wrote while posting for a photo with Vince Vaughn and Taylor's parents Scott and Andrea Swift in Los Angeles.

The Vanderpump Rules stars made their wildest dreams come true on the floor with Paula.

The "No One singer" attended the Aug. 5 show at SoFi Stadium in Los Angeles with her 8-year-old son Genesis.

The actress attended one of Swift's shows at SoFi Stadium in Los Angeles with Anastasia Beverly Hills cosmetics founder Anastasia Soare and her daughter, Claudia.

The late Kobe Bryant's wife Vanessa Bryant and their daughters Natalia Bryant, 20, Bianka Bryant, 6, and Capri Bryant, 4 attended Swift's show at SoFi Stadium in Los Angeles Aug. 3. While performing her song "22," the singer approached Bianka at the end of the stage, hugged her and gifted her a black hat she typically gives a fan during the number. The family later got to hang out with the pop star backstage.

The Hills alum was ready to be enchanted at the Aug. 4 show.

The New Girl star shared a family photo on TikTok ahead of the Aug. 4 show.

The duo snapped a selfie at SoFi Stadium on the first night of the Eras Tour in Los Angeles, with Elizabeth Banks writing of Taylor's performance, "She was an Angel and a Unicorn and Pure Magic."

Elizabeth took a pic of Sarah Paulson showing off her Eras Tour merch from the Casamigos suite.

"The first night of the LA Eras tour was everything!" Mindy Kaling wrote after the Aug. 3 show. "@haimtheband set the tone by destroying in their home town and then @taylorswift, well, did her bejeweled thing and 70,000 of us were like 'how can we know every single lyric to 5 hours of songs?'. There were no highlights. It was all highlight."

The couple headed to Night One of the tour in Los Angeles, with Becca captioning their look with the "Fearless" lyrics, "I know I wanna ask you to dance right there, in the middle of the parking lot."

Brie Larson shared a pic from her view of the show in Los Angeles.

Brie captured a video with fellow Marvel star Lupita Nyong'o.

The Hills alum was ready for it on Aug. 4 in L.A.

Kobe and Vanessa's 20-year-old daughter shared a hug with Taylor after the show.

Kobe Bryant's wife Vanessa Bryant paid tribute to the late basketball player with her outfit for the Aug. 3 concert.

Rocking a custom "Taylor" shirt, the High School Musical star was ready for the Aug. 3 show in Los Angeles.

Gigi Hadid partied with her makeup artist Patrick Ta at the show in Santa Clara, Calif. He captioned their pic, "I Want To Bottle This Moment Up Forever."

The 13 Reasons Why actress was in the crowd in the Bay Area. "THIS NIGHT IS SPARKING !!!" she wrote on Instagram. "thank you @taylorswift @haimtheband @gracieabrams for the best night of my…life??"

The models snapped a pic from inside the VIP tent.

The Facebook founder, CEO of parent company Meta and father of three daughters attended the singer's July 28 concert in Santa Clara, Calif. with his family and shared pics on Instagram.