And on Sunday, December 8, Perry brought sexy festive shine to Capital FM’s Jingle Bell Ball, glistening in a disco-ball coded dress with side boob-baring cutouts. The “Firework” singer lit ...

Katy Perry appeared holiday-spirited in a side-baring gown, nearly looking like a disco ... Her dress also had a unique string detailing that transformed into fringes and an epic thigh slit ...

Katy Perry performed at Q102's Jingle Ball in Philadelphia in a strapless minidress, and it totally channeled a disco ball.