Beyonce mesmerises Grammys with performance; Jay-Z gives thanks

Jay Z thanked God for his "beautiful" wife Beyonce at the Grammy Awards.

The 44-year-old rapper - who opened last night's ceremony with a performance of 'Drunk in Love' with his spouse - dedicated his win for Best/Rap Sung Collaboration for 'Holy Grail' featuring Justin Timberlake to the singer and their two-year-old daughter Blue Ivy.