I would like evidence for that statement. Because I have heard many Hollywood stars just exude insecurities. Heck, we talk about it all the time, and it even ha

I would like evidence for that statement. Because I have heard many Hollywood stars just exude insecurities. Heck, we talk about it all the time, and it even has a name "imposters syndrome". If you can achieve great things while feeling like an imposter, I would say that is an unanswerable rebuttal to the claim that confidence is a a pre-requisite.