Who knew that going to a Jay Z and Beyonce concert would lead to a disfigurement? On Saturday (Aug. 2), during Jayonce's On the Run tour stop at the Rose Bowl in Pasadena, Calif., 10 people were arrested including a man who bit off another's man's fingertip. Ouch!

According to San Gabriel Valley Tribune, Roberto Alcaraz-Garnica allegedly groped another man girlfriend while they were watching the concert. When the boyfriend confronted the alleged groper, an altercation ensued and Alcaraz-Garnica bit off the boyfriend's fingertip, sending him to the hospital.

Alcaraz-Garnica was arrested inside the stadium and charged with suspicion of sexual battery and mayhem, legally defined as disabling or disfiguring a part of a victim’s body. He's being held on $100,000 bail.

Meanwhile, police arrested eight other concertgoers for public drunkenness and two people for ticket scalping during the event.

It was a busy night for police at the sold-out concert, which drew 55,000 people in attendance.