"Not our fault Lukes fat." (UNEDITED)

"Not our fault lukes fat!" Ashton yells with a giggle, Michael and Calum laugh at the drummers choice of a joke, all of them glancing back to the laptop. What everyone misses though is the way Luke frowns slightly, and presses a hand over his tummy, he rubs an arm up and down his side for the rest of the twitcam, 'luk...