Actress Jessica Alba says she felt `kind of insecure` for not going to college and finishing her education.

The `Sin City 2: A Dame to Kill For` actress admits her insecurity on `The Meredith Vieira Show`, reports femalefirst.co.uk.

"I was always insecure about not going to college and I always felt I wasn't smart enough. My teens and my 20s, I just wasn't sure of myself and I was always kind of insecure, and I always felt I needed to apologise for myself," she said.

The brunette beauty, who is now 33, credits her family for helping her to become more confident.