Porn star Megan Piper who agreed to be a Minnesota high school student's prom date is banned from attending the dance. Fed up with receiving rejections from his female classmates, 18-year-old Mike Stone took to Twitter to ask adult film stars if they would accompany him. After more than 600 tweets, Mike received a provisional 'yes' from porn star Megan Piper - on the condition that he paid for her air fare from Los Angeles to Oakdale, Minnesota.