"Tragically, an accident took place causing an unintended nipple slip ." "It was an unintentional circumstance." "The revealing of the nipple was unforeseen." "It was an incidental clothing mishap." "The incident caught everyone by surprise." "Steps have been taken to prevent future occurrences." "We sincerely apologize for any inconvenience caused." "We assure you, this matter is being treated with utmost seriousness."