Beyonce kicks off Formation tour with red -hot costumes dedicates song to 'Jay Z

And after days of public speculation about who she's referring to as 'Becky with the good hair' in the track Sorry, Beyonce professed her devotion to Jay Z on Wednesday night in Miami.

The pop superstar closed out the first concert in her Formation World Tour by dedicating her power ballad Halo 'to my beautiful husband... I love you so much.'