"Unfortunately, a mishap occurred resulting in an unexpected nipple slip ." "It was an unintentional circumstance." "The revealing of the nipple was unforeseen." "It was an inadvertent clothing malfunction." "The accident came as a shock to everyone present." "Measures have been put in place to avoid any further mishaps." "We apologize for the disruption and any distress it may have caused." "Rest assured, we are taking this matter seriously."