Are they the hardest working couple in show business?
Jay-Z closed the MTV Video Music Awards with a song for New York Sunday night. Alicia Keys joined him for the performance of 'Empire State Of Mind' on stage at Radio City Music Hall for the show's climactic end
Cheering and singing along the most enthusiastically from the audience was wife Beyonce, whose award craziness was already behind her. She also performed live Sunday night, doing her signature moves to "Single Ladies" onstage, in stiletto slingbacks no less (scroll down to watch).Jay missed his wife's performance though, as his involved an elaborate entrance that started with him driving up the streets of Manhattan in his Maybach minutes before he went on. Just Friday he headlined a 9/11 concert at Madison Square Garden and Saturday night he was in Manchester, England with Coldplay. WATCH JAY-Z: