Taylor Swift has announced her international tour dates, with the American singer taking to stages in Australia, the United Kingdom, Japan, Spain and France in 2024.
And now fans have spotted a key detail that seems to "confirm" an even bigger gig, that would leave the world in a meltdown should it be true.
Fans have twigged how Taylor has some gaps in her schedule next year - while she tours the world with The Eras Tour - with many thinking she may make an appearance at Coachella in the spring.
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And now fans have spotted another opening that could hint at a different festival appearance.
"Will Taylor Swift be next year’s Sunday Glastonbury headliner? She’s keeping both the 23rd and 30th June 2024 free right now…" penned one eagle-eyed fan alongside the photo of Taylor's international tour dates.
Replying to the above tweet, someone said: "I think V likely considering she was confirmed before, is the sort of person who'd really want to do it, and there is already apparently at least one female headliner confirmed."
Elsewhere on Twitter speculation was rife, with one fan penning: "TAYLOR GLASTO HEADLINER," in all caps.
"So that's Taylor Swift for Glasto 2024 then..." speculated a second.
A third then weighed in with: "Looking at the dates for 2024… If next years #Glastonbury is 21st -24th June 2024, Taylor Swift could headline on Sunday 23/06/2024! #Glasto #ErasTour Emily did say there’s female headliners booked!"
"Taylor Swift absolutely nailed on Glasto headliner then next year," penned a fourth.
While a fifth said: "Also this strongly hints that Taylor will be headlining Glasto right??"
Not only do the above speculations point to a potential headline stint from Taylor, but Glastonbury's Emily Eavis has revealed that 2024's festival will feature two female headliners, one of whom has already been booked.
Taylor was previously confirmed to perform at Glastonbury, with the Anti-Hero singer due to take to the Pyramid Stage in the summer of 2020 amid her Lover Fest tour.
In December 2019 it was announced that Taylor would close the 2020 Glastonbury festival with a headline performance on the Pyramid stage on the Sunday night.
"I’m ecstatic to tell you that I’ll be headlining Glastonbury on its 50th anniversary – See you there!" Taylor gushed on social media at the time.
But due to the coronavirus pandemic, the festival was cancelled - along with Taylor's other commitments such as her Lover Fest dates and Hyde Park British Summertime headline gig.
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