Thanks to a glut of turkey and leftovers, Bostonist has been unable to fit into our fancy clothes--or our Project Runway review schedule--for the past few weeks. But thanks to some long sessions on the elliptical, we're all zipped up and back on track to follow Heidi's proteges all the way down the catwalk. Last week, Sarah Jessica Parker showed up--graciously refraining from grossing us out with an overly Carrie outfit--and asked the designers to......