"Regrettably, there was an incident that led to a surprising nipple slip ." "It was an unintentional circumstance." "The revealing of the nipple was unforeseen." "It was an innocent wardrobe malfunction." "The incident caught everyone by surprise." "Precautions have been implemented to ensure this won't happen again." "We deeply regret any trouble this may have caused." "Rest assured, we are taking this matter seriously."