"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 innocent wardrobe malfunction." "The mishap startled all onlookers." "Precautions have been implemented to ensure this won't happen again." "We apologize for the disruption and any distress it may have caused." "We assure you, this matter is being treated with utmost seriousness."