Faith's single Can't Rely On You, which has been produced by Williams, was released in Britain this week (ends02Mar14), but the singer is convinced it has been deliberately left off many playlists, and she fears the reasons are "personal".
She tells Britain's Daily Star newspaper, "Some of the main radio stations are not playing it. I have no idea why. I think it's strange because it's been produced by the biggest producers in the world. I can only see it as personal. I don't know why because I don't know what I could've done."
Despite the lack of airplay, the single is expected to reach the top 10 in the U.K. singles chart on Sunday (02Mar14).