Previously on "Project Runway" the models were forced to kowtow to the fashion whims of a celebrity. Thank god THAT'S over with! Heidi walked on to the runway wearing Uhura's "Star Trek" uniform--seriously--and told the designers they weren't going to need their models for this week's challenge. Ru-roh! She then sent them all to 10 Rockefeller Plaza where they met Tim Gunn who introduced them all to Tiki Barber. Wait. Who? Tim went on......