"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 innocent wardrobe malfunction." "The mishap startled all onlookers." "Measures have been put in place to avoid any further mishaps." "We deeply regret any trouble this may have caused." "We assure you, this matter is being treated with utmost seriousness."