In addition to modeling for a number of designers like Calvin Klein, Angela Lindvall also hosted which fashion reality series? 
Angela Lindvall: Angela Lindvall (born January 14, 1979) is an American supermodel and actress. Angela Lindvall:  She has worked as the face of Chanel, Gucci, Valentino, Prada, Calvin Klein, Miu Miu, Dior, Louis Vuitton, Hermes, Versace, DKNY, Roberto Cavalli, Fendi, Chole, Missoni, Jil Sander, Jimmy Choo. Angela Lindvall:  She was the host of the fashion reality series "Project Runway: All Stars", an extension of the popular series "Project Runway". Calvin Klein: Calvin Klein Inc. is an American fashion house founded by the fashion designer Calvin Klein and childhood friend Barry K. Schwartz.
"Project Runway: All Stars"