Can you ever really be over your ex? In this social experiment, 10 smoking-hot celebrity singles think theyre running away to a tropical island for a once-in-a-lifetime romantic vacation full of fun and sun. But just as the party is getting started, unwanted guests arrive to break up their good time. Paradise turns into a nightmare when their exes start emerging, and everyone is left wondering whose ex will be next. Caught in a complicated web of hookups, deceit and revenge, will old loves reignite? Or will the flame of romance be gone for good? Welcome to Ex On The Beach. two new episodes tuesday 10/9c. Fear Factor. MTV gives viewers the chance to conquer their fears head-on with a refresh of Fear Factor. Ludacris hosts this new installment, which is tailored perfectly for a generation that is increasingly empowered -- while also more anxious than ever. Filled with new stunts inspired by urban legends, popular scary movies and viral videos, Fear Factor helps contestants confront their fears while being pushed beyond their comfort zones. mondays 10/9c. MTV Floribama Shore.