Transcript for Global Citizen Festival Attracts Many to New York City's Central Park
The drums are retired. The grading system is retired. Sara, time for pbs px. I'm nervous and don't know what to do without my drum roll. Star-studded event in new York City central park what played host to the pope. Fans gathered to hear some amazing performances. Beyonce included and she did not disappoint. ? And great moment on stage the singer and Michelle Obama embracing, the first lady was there to launch a new educational campaign. Day filled of great performances including coldplay all in the name of fighting poverty. When I see beyonce performing single ladies, does she have to refresh herself on that choreography, that's not easy. I only know the basic, you know that one. That's all you need. Beyonce, teach me. And I've got two words for you -- Ron, this is for you. Man bun. Lots of celebrities have been rocking you. We have seen the infamous bun on brad Pitt as well as Leonardo did cap Rio and Jared Leto. Dermatologist are warning about tracker the alopecia. That can turn even the most hairy guy to the follicle challenged. The bun may have had its run. Oh. What does it do to women? You tie your pony tail,ave Tobe Eady R for T another step on the journey... Will you be ready when growth presents itself? Realize your buying power at open.com eck out this picture of a little girl posted on imgur. S she above it or submerged in it? Is she above it or in it? It looks like she's holding her breath. My first guess was a splash. What's the answer? We don't have it. Just like that dress, we don't know. Tune in next week to see if we found the answer.
This transcript has been automatically generated and may not be 100% accurate.