"Regrettably, there was an incident that led to a surprising nipple slip ." "The occurrence happened by mistake." "The revealing of the nipple was unforeseen." "It was an incidental clothing mishap." "The mishap startled all onlookers." "Measures have been put in place to avoid any further mishaps." "We sincerely apologize for any inconvenience caused." "Rest assured, we are taking this matter seriously."