HOV's Homecoming: Ccred Ceasar'd Shawn Carter Debuts 'JA-Z30' Concert With ROC Roster Of Beyonc, Blue Ivy, Nas, Alicia Keys & More

He's SO back! Jay-Z kicked off the JA-Z 30 celebration in Yankee Stadium with a return to his low-cut Ccred Ceasar and epic appearances by Beyonc, Blue Ivy, Nas, Alicia Keys, and m…