I'm pretty sure I remember her saying that the version of Red Lips that was released was technically the demo version, and the final version was set to be released on her album, which as we know was scrapped. There is a snippet of a different version on youtube that has alternative production which I assume is the 'final' version that was supposed to be for the album. https://www.youtube.com/watch?v=8zwaipUkQ0M A bit of a mess, but what else would you expect from Sky