"Regrettably, there was an incident that led to a surprising nipple slip ." "The occurrence happened by mistake." "The nipple exposure was unexpected." "It was an inadvertent clothing malfunction." "The mishap startled all onlookers." "Steps have been taken to prevent future occurrences." "We deeply regret any trouble this may have caused." "We assure you, this matter is being treated with utmost seriousness."