Hayley Kiyoko Talks Performing 'Curious' On Stage With Taylor Swift: 'I'll Never Forget That Day'

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Taylor Swift and Hayley Kiyoko perform onstage during the Taylor Swift reputation Stadium Tour at Gillette Stadium on July 26, 2018 in Foxborough, Massachusetts. 

Rising pop star Hayley Kiyoko opened up in an Aug. 7 interview with INTO about performing with Taylor Swift during one of the Reputation Stadium Tour stops at Gillette Stadium in Foxborough, Mass.

When Kiyoko stepped onto the stage with Swift on July 27, she felt a whole new level of star power.

"[Taylor] was like, ‘Is this your first stadium performance?” Kiyoko said. (It was.) “It was as amazing as it could seem in the sense of, I had met her that day and did the sound check...i was incredible and I’m very thankful for her. I’ll never forget that day," she added.

According to the "Feelings" singer, Swift had specifically requested they sing "Curious," a single off of Kiyoko's second studio album Expectations. The track is about a relationship between a woman who has a boyfriend, but won't quit playing with Kiyoko's heart.

The duo sang the chorus together and danced around the stage, making for an unforgettable moment.

Check out a clip of Kiyoko performing "Curious" with Swift below.