Charli XCX may have teased the guests who’ll feature on her upcoming fifth studio album.The singer took to social media yesterday (November 1), first saying she’d “be revealing a lot of secrets this week” before tweeting a long list of artists.Those mentioned include frequent collaborators A.G. Cook, Christine and the Queens and Caroline Polachek, along with Rina Sawayama, Oneohtrix Point Never and many more.