Just when you thought Beyoncé and Jay Z's love couldn't get any sweeter, it does. The superstar performed at her husband's Made in America Festival on the Rocky Stage in front of a sold-out crowd on Philadelphia's Benjamin Franklin Parkway Saturday. In a sea of 80,000 people, one person stood out: Jay Z.The rapper was spotted by other concertgoers wearing a hooded sweatshirt and singing along as his wife slayed on stage. 7/11, HOV #MIAFestival pic.twitter.com/bsdjrvmukg— Team JAYZ_BR (@99jayzbr) September 6, 2015Jay Z In the crowd supporting his wife on stage yesterday .. Dope pic.twitter.com/hmw666UCCB— DJ Akademiks (@IamAkademiks) September 6, 2015Jay Z was rocking hard as f*ck… Supporting his wife Beyonce … You gotta respect it pic.twitter.com/tHaHwzSCoT— DJ Akademiks (@IamAkademiks) September 6, 2015When Nick Jonas and Jay Z are standing next to you during Beyoncé's entire #MadeInAmerica performance pic.twitter.com/zPNoxCmdKh— Becky Sullivan (@beckyysullivan) September 6, 2015Sigh. Bey and Jay forever. <3 Also on HuffPost:For a constant stream of entertainment news and discussion, follow HuffPost Entertainment on Viber. — This feed and its contents are the property of The Huffington Post, and use is subject to our terms. It may be used for personal consumption, but may not be distributed on a website.