Charli XCX has confirmed past rumors that she was working on writing music for a potential new Britney Spears album at one point. However, the English singer-songwriter admitted in a recent appearance on Watch What Happens Live that she wasn’t too sure how involved Spears was in the process, as the “Toxic” singer had previously shut down rumors on social media. “Um, so. Well, yes, but, it leaked to the press,” Charli XCX said, responding to a caller’s question. “Britney then did this post where she was like, ‘I don’t have random people write for me.’ I was like, okay, go off! So I don’t know that she was part of the process.” In January, Spears took to her Instagram to set the record straight, writing, “They keep saying I’m turning to random people to do a new album … I will never return to the music industry !!!” Later on the show, host Andy Cohen interjected, “Maybe her team was looking for…” “Her team was running before they could walk,” Charli XCX continued. “Britney probably …