New “Ghostbusters” stars Melissa McCarthy and Kristen Wiig took a break from filming on Saturday to visit sick kids at a Boston, Mass., children’s hospital in full costume. Floating Hospital for Children at Tufts Medical Center patients got a huge surprise today when Ghostbusters stars… Posted by Tufts Medical Center on Saturday, August 1, 2015 Fellow co-stars Kate McKinnon and Leslie Jones also joined in the fun by donning their brown and orange jumpsuits and proton packs for the surprise trip to Tufts Medical Center, close to where the actresses are currently shooting the reboot with director Paul Feig. During the visit, the group posed for photos with patients and the