Jennifer Hudson  joined Project Runway host Heidi Klum  and judge Nina Garcia at today's season finale presentation in NYC. Jennifer is the latest star to make a cameo following in the footsteps of last year's guest host, Jessica Simpson . It's been a busy kickoff to Fashion Week for Heidi, Nina, Jennifer, and fellow judge Michael Kors . Last night, Michael hosted celebrities like Nikki Reed , Kate Upton, and Debra Messing  at his Manhattan boutique as part of Fashion's Night Out festivities . Jennifer partied with Nicole Richie  at a QVC bash. Heidi, meanwhile, stopped by former Project Runway winner Christian Siriano's new boutique to do some shopping and wish him well.