They were never expected to survive beyond a few days. But conjoined twins Abigail and Brittany Hensel have not only proved doctors wrong, they have astonished them with their development into darling children, typical teenagers and, lately, beautiful young adults. Now the 22-year-olds, who share one body fused at the torso, will be starring in their own reality TV show chronicling their graduation from Bethel University in Minnesota, their post-grad job search and their travels through Europe with friends.