. >> matthew knowles is her father.es managed her career. >> 15, 16 years old, you don't quite yet have the maturity to understand or to take criticism. >> i messed up. if i messed up, y'all -- >> no, it's cool. >> she's gotten older. now she's a grown woman. you know, she understands it. >> beyonce feels this is her time. >> i feel like 30 is the ideal age because you are mature enough to know who you are, have your boundaries, standards and not be afraid, too polite, but young enough to be a young woman. i'm very aware of who i am and i feel great. >> for beyonce knowles-carter, lately, it has been one hell of a run. in the summer of 2011, there was a tumy rub at the video music awards. by the next january, the singer/dancer/actor/film icon was mom. with the birth of her baby became a burst of creativity. >> you get a new strength of purpose, whatever. i think it's jailed with her in having blue ivy. next thing, super bowl. it's one, two, three, let's go. >> beyonce emergeed from a four-month break ready for reinventi