Music·Posted on Sep 29, 201420 Things That Happen When Beyoncé Shows Up At Your ConcertHint: It doesn't matter what happened beforehand because Beyoncé.by Tashween AliBuzzFeed StaffFacebookPinterestTwitterMailLink 1. On Saturday I went to the Global Citizens Festival — a FREE concert at the Great Lawn in Central Park — to see Jay Z, No Doubt, Carrie Underwood, fun., Alicia Keys, The Roots, and Tiesto. Theo Wargo / Getty Images for Global Citizen Festival It was basically a 5K charity walk, but instead of walking you sit in a field with 60,000 other people listening to amazing music. 2. Hugh Jackman was hosting. View this photo on Instagram instagram.com The Wolverine with wife Deborra-Lee Furness. 3. Tiesto killed it. Theo Wargo / Getty Images for Global Citizen Festival 4. The Roots were wonderful. Theo Wargo / Getty Images for Global Citizen Festival 5. fun. pumped things up with "We Are Young." Carlo Allegri / Reuters 6. Connie Britton and her perfect hair came out for the cause. Theo Wargo / Getty 7. Oh, and important world leaders like the actual Queen of Sweden and Narenda Modi, the brand new Prime Minister of friggin' India, were there. Carlo Allegri / Reuters Secretary General of the United Nations Ban Ki-moon and American ambassador to the United Nations Samantha Power also attended, as did Yong Kim, president of the World Bank. 8. Even President Obama dropped by via a pre-taped video. View this photo on Instagram instagram.com 9. Did I mention that a lovely Carrie Underwood performed? Theo Wargo / Getty Images for Global Citizen Festival 10. Or that a reunited No Doubt played literally all your favorite songs from the '90s and early '00s? Theo Wargo / Getty 11. Sting was such a fan that he came out and did "Message in Bottle" with Gwen Stefani. Carlo Allegri / Reuters NBD. 12. That's when I thought to myself, "This has been pretty much the most impressive concert ever." View this photo on Instagram instagram.com 13. But then the man of the hour, Mr. Sean "JAY Z" Carter, came on stage. View this photo on Instagram instagram.com 14. He did "Empire State of Mind," "99 Problems," and "On to the Next One" and I thought, "Man, what a great time to be alive!" Theo Wargo / Getty Images for Global Citizen Festival 15. And then it happened. MSNBC. 16. BEY. MSNBC. 17. I screamed louder than I ever had in my entire life. MSNBC. 18. The Earth-bound angel known as Beyoncé sang flawless vocal parts on Jay songs "Holy Grail" and "Forever Young." MSNBC. Both staples from their historic, recently wrapped On the Run Tour. 19. And when she wasn't singing, she danced in a way that expressed some inhuman combination of sexiness, elegance, and swag — all while wearing sky-high heels. MSNBC. 20. When it was over, the world's First Couple walked off stage arm in arm. I floated out of the park on a 'Yoncé contact high and found a train. View this photo on Instagram instagram.com Thanks, Bey. For a taste of greatness, watch the full video of the performances here. View this video on YouTube "Holy Grail" View this video on YouTube "Forever Young"