When was the moment you first realized you were powerful? That you could stand up for yourself? That moment is, more or less, straight rocket fuel for greatness. In short, it's when everything changes. In ELLE.com's new series, My Turn, we're asking accomplished women to share when and how they found their confidence.

"What you have no one else has." That's the advice Chelsea Handler's sister gave her after a stand-up audition didn't go the Chelsea host's way. To complicate the situation, that coveted spot went to a friend. The comedian and TV personality learned the hard way how to deal with jealousy. Find out how she did it here in My Turn.