The Love The Way You Lie star described Cole as "awesome" and said she would be backing her in her win over the Americans.
The R&B singer told The Sun: "She is the most beautiful woman I have ever seen. How do you have a face like that, with hair like that and dimples, and a body like that, that's proportioned like that?And you have a successful career, something about that is not right!"
Piers Morgan has reportedly confirmed Cole will join Simon Cowell and Nicole Scherzinger as judges on the US version of The X Factor.