'X Factor' star Aiden Grimshaw has admitted that he has a crush on The Saturdays star Frankie Sandford.

According to the show's official site, the contestant said, when asked which celebrity he fancied: "I met Frankie from The Saturdays on Saturday."

"She was hot stuff. So I'll say Frankie from The Saturdays."

"I think she's going out with the guy from McFly who is also hot stuff, so I don't think much to my chances. But you know, it's only a crush."