She said, “She is such a good friend. But I don’t think she has quite got her head around how big she is going to be. My girl really can rule the world. I have already heard crazy things like Robert De Niro wants to make movies with her and that Jay-Z wants to work with her.”
Fergie even believes the Girls Aloud singer, who is rumoured to be joining the judging panel on the US X Factor when it launches next year, could reach the levels of stardom attained by pop superstars Madonna and Mariah Carey.