Big Brother’s Chanelle Hayes has been battling a long-standing eating disorder. Following a gastric sleeve, the star is looking confident in a bikini in Spain. Chanelle Hayes is a British TV personality famous for appearing on Big Brother in 2007 when she was only 19. With the paparazzi snapping more pictures than the cameras of the Channel 4 reality show, we have seen her body transform over the years. Hayes has been candid about her gastric sleeve surgery following weight gain caused by an eating disorder. In recent pictures papped in Spain she looks glowing and confident in her new body. Ha…