Photos: Beyonce shows off her booty while on stage

A lot of people attended Beyonce and Jay Z's Miami concert on Wednesday night. Fans who attended confessed having one of the nice time of their lives. Not only did they watch private home clips of the couple's secret wedding & Beyonce's bare pregnant belly, they also saw Beyonce bare ass.

Beyonce and her dancers wore a costume with the ass cut out when she performed the song "Naughty Girl". See more photos below...