CouldTaylor Swifthave been hinting at her breakup withJoe Alwyn?

Late last month, the singer, 33, replaced the first song in theFolklore-inspired section of herEras Tourwith a wistful breakup tune from the same album.

TheMidnightscrooner first made the change during the March 31 stop of her tour at the AT&T Stadium in Arlington, Texas, and has continued playing the track since.

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Joe Alwyn, Taylor Swift.Mike Marsland/WireImage, Terry Wyatt/Getty Images

all the songs Taylor Swift has written about Joe Alwyn

A source close to Swift and Alwyn, 32, confirmed to PEOPLE Saturday that the pair havebroken up after six years of dating.

The Grammy-winning musician was first linked to the British actor in May 2017, when it was revealed that the pair had reportedly been quietly dating for months. Though it’s not clear exactly when they met,fans have speculatedthat Swift and Alwyn first crossed paths at the 2016 Met Gala.

Since then, the couple shared a number of sweet moments in public, but they kept many of the details about their romance private. In a2019 interview withThe Guardian, Swift explained why she didn’t like to talk about her relationship with Alwyn, saying, “I’ve learned that if I do, people think it’s up for discussion, and our relationship isn’t up for discussion.”

Joe Alwyn and Taylor Swift.Carlos Alvarez/Getty Images; ANGELA WEISS/AFP via Getty Images

Joe Alwyn; Taylor Swift

After news of Swift and Alwyn’s split was made public, fans on social media couldn’t help but speculate if the set list change was indeed due to the breakup.

“Hold on cause taylor switched from invisible string (a song about hopeful love) to the 1 (a song about past love) on the set list…” one fanwrote, as anotherquestioned, “Is this why she switched invisible string for the 1?”

One other user shared a GIF of an angry child,adding: “THINKING ABOUT HOW SHE SWITCHED OUT INVISIBLE STRING FOR THE 1….”

Swift and Alwyn began collaborating on music together amid the COVID-19 pandemic, with 2020 sister albumsFolkloreandEvermoreeach including collaborations with theBoy Erasedstar, who wrote several songs under the pseudonymWilliam Bowery.

Alwyn is credited as a co-writer on “Betty” and “Exile” fromFolkloreand on “Champagne Problems,” “Coney Island,” and “Evermore” onEvermore.

During herFolklore: The Long Pond Studio Sessionsfilm, which was released in November 2020, Swift opened up about how their collaborations came to be. “I was like, ‘Hey, this could be really weird, and we could hate this, [but] because we’re in quarantine and there’s nothing else going on, could we just try to write this song together?'”

“Joe and I really love sad songs. We’ve always bonded over music,“Swift later told Apple Music’s Zane Lowein December 2020. “We write the saddest songs. We just really love sad songs. What can I say?”

source: people.com