She said: "It's a trap for actors to think they're the center of the universe. I've never been that impressed with myself. I really don't think about it."
Last week, Jessica revealed any man who wants to date her must make friends with her dad.
The stunning star - who met current squeeze Cash while filming 'Fantastic Four', on which he worked as a director's assistant - said any prospective suitors have to hit it off with her father.
She said: "I like a guy to be in touch with his feelings. He's also got to be able to hang out with my dad."