Charli Xcx Xcx World -spike Stent- - This Act... ((link)) Jun 2026

And every time you hear a hyperpop beat on the Top 40 radio in 2025, you are hearing a distant echo of that lost world.

XCX World is the fan-given name for the third studio album Charli XCX worked on from approximately 2015 to 2017——an album that was ultimately scrapped before official release. It was intended to be "the most pop thing and the most electronic thing" she had ever created, blending futuristic, club-oriented production with commercial pop accessibility. Collaborators on the project included pioneering producer SOPHIE, BloodPop, A.G. Cook, and many other avant-garde pop architects.

The Myth and Legacy of Charli XCX’s XCX WORLD : The Spike Stent Mixes and a Pop Tragedy

It wasn’t. It was scrapped. And the story of that album is the story of an artist caught between the algorithmic demands of the pop machine and her own futuristic instincts.

The "Spike Stent" versions of these tracks are highly sought after by fans because they represent the most "finished" state of the album. These mixes provided:

The lead single for XCX World was Released in October 2016, the song was a brass-heavy, liquor-soaked banger about extending the night until the morning. It featured a verse from Lil Yachty and was supposed to be her crossover moment.

Even Charli XCX herself, while careful not to promise a release, has acknowledged the album’s enduring popularity among her fans. She loves the songs, she has said, but has indicated the album will likely never be officially released in its original form. The trauma of the leak, the loss of collaborator SOPHIE, and the logistical nightmare of reassembling the project from scattered files are all significant hurdles.

Songs under "This Act"—a reference to specific sequencing blocks or legal bounce-stages during the album's finalization—showcase seamless transitions and tightly wound arrangements. The hooks are sharper, the bridges are more explosive, and the dead air is entirely eliminated. Key Tracks and the "This Act" Structural Secrets

The rollout for XCX World began smoothly with the release of the lead single featuring Lil Yachty in October 2016, followed by the star-studded music video for "Boys" in July 2017. Charli even performed the bubblegum-pop anthem "Bounce" live on Jimmy Kimmel Live! alongside an automated PC Music setup.

A finalized version of the album existed as early as mid-2016, with a complete track listing prepared. But after multiple delays, disaster struck: on August 20, 2017, the entirety of XCX World leaked online. The songs were scammed from the engineer mastering the album, and within a month, its release was officially cancelled.

Performed on Jimmy Kimmel Live! but left unreleased in studio form. SOPHIE, Stargate Reference Mixed

The phrase refers to one of the most famous lost pop albums in history: the unreleased, leaked 2016-2017 third studio album by British pop star Charli XCX . The specific phrase targets the leaked legendary audio files known as Spike's Reference Mixes , mixed by famous audio engineer Mark "Spike" Stent. These leaked reference tracks gave fans their closest look at what Charli's scrapped bubblegum-hyperpop masterpiece was supposed to sound like. What is XCX World?

This is not a remix. This is performed in real time.

During the August 2017 hack, many of these songs leaked in their unmixed/unmastered forms, but the "Spike Stent" versions represent the "finalized" vision of the album's sound. Confirmed Tracks:

Spike Stent’s name became legend within the fan community. As the mixing engineer behind many of the most sought-after tracks, his name was attached to the “holy grail” versions of these songs. And his role didn’t end in 2017. Remarkably, on Christmas Day of 2024—over seven years after the initial hack—the full, high-quality versions of the tracks mixed and mastered by Spike Stent surfaced online. This new leak reignited the fandom’s obsession, causing a massive resurgence of interest in the project.