Taylor Swiftis back in her single era.

The 12-time Grammy winner, 33, andThe 1975frontman Matty Healy, 34,have splitafter awhirlwind romance.

“She had fun with him, but it was always casual,” a source confirmed to PEOPLE on Monday. “They are no longer romantically involved.”

“They were never boyfriend-girlfriend or exclusive and were always just having fun,” another insider tells PEOPLE. “There is no drama, and who knows what could happen again. It was a good time and ran its course.”

Reps for Swift and Healy’s band The 1975 haven’t responded to PEOPLE’s request for comment.

Taylor Swift; Matty Healy.Taylor Hill/FilmMagic, Samir Hussein/WireImage

Taylor Swift, Matthew Healy

Taylor Hill/FilmMagic, Samir Hussein/WireImage

Longtime friends since 2014, Swift and Healy were linked in early May, a few weeks after news broke that she and actorJoe Alwynhadparted waysafter six years together.

The “Anti-Hero” singer has been on her record-breaking Eras Tour since April, and Healy was in attendance for all six of Swift’s concertsin Nashvilleand Philadelphia, where he was spotted withSwift’s dad Scott. When they weren’t on the road, Swift and Healy spent time together in New York City, fromhanging out with friendsat the Electric Lady recording studio tosharing a kissat members-only club Zero Bond.

Taylor Swift and Matty Healy.Robert Kamau/GC Images

Taylor Swift and Matty Healy seen leaving ‘The Electric Lady’ studio in Manhattan on May 16, 2023 in New York City.

Robert Kamau/GC Images

“Taylor is doing great — her focus right now is her tour. Since Matty is touring too, they won’t be able to see each other at all,” the source tells PEOPLE of Swift and Healy, who is touring internationally through July before The 1975 come back to the States for some festival dates. “They have been friends for years and decided to just go back to being friends. Nothing complicated happened. It’s just life.”

A third source adds, “Taylor and Matty still care for one another but they are in the middle of world tours so are both incredibly busy. They’ve been friends for years and are still friends.”

Taylor Swift; Matty Healy.Getty (2)

Taylor Swift; Matt Healy

“He likes to provoke a response out of people. She’s a grown woman more than capable of forming her own opinions about people,” the insider adds. “No one forces her into anything, especially not these days. She’s on top of the world.”

Indeed, Swift has reached new career heights. She just announced the first international dates of her Eras Tour; she’s back on top of the Billboard 200 chart withMidnights (The Til Dawn Edition),which features three new tracks, including a"Karma" remix featuring Ice Spice; and she’ll drop herSpeak Now (Taylor’s Version)re-release—complete with Fall Out Boy and Hayley Williams collaborations— next month.

Taylor Swift.John Shearer/Getty for TAS Rights Management

GLENDALE, ARIZONA - MARCH 17: Editorial use only and no commercial use at any time. No use on publication covers is permitted after August 9, 2023. Taylor Swift performs onstage for the opening night of “Taylor Swift | The Eras Tour” at State Farm Stadium on March 17, 2023 in Swift City, ERAzona (Glendale, Arizona). The city of Glendale, Arizona was ceremonially renamed to Swift City for March 17-18 in honor of The Eras Tour. (Photo by John Shearer/Getty Images for TAS Rights Management)

At her May 20 concert in Foxborough, Massachusetts, Swiftopened upabout this special time in her life before playing herMidnightscut “Question…?”

“I’ve just never been this happy in my life in all aspects of my life ever. And I just want to thank you for being a part of that,” she said at the time. “It’s not just a tour, I just sort of feel like my life finally feels like it makes sense. So I thought I’d play this song which brings me a lot of happy memories.”

Matty Healy.Roberto Ricciuti/Redferns

Matt Healy of The 1975 headlines Radio 1 Stage

Roberto Ricciuti/Redferns

On May 27, Healyappeared to address romance rumorsat BBC Radio 1’s Big Weekend in Dundee, Scotland with a cryptic message to the crowd.

“Is it all a bit? Is it sincere? Will he ever address it?” he asked. “All of these questions and more will be ignored in the next hour. Ladies and gentleman, this is The 1975.”

source: people.com