UPDATED JANUARY 14TH 2015: Added new images.
The campaign model is Dutch beauty Kiki Willems who also opened the collection runway show last September. Once again it was shot by Hedi Slimane. (source)
Click the links to view past campaign images of Saint Laurent Paris: Fall Winter 2014, Pre Fall 2014, Spring Summer 2014, Fall Winter 2013, Pre Fall 2013, Spring Summer 2013, Fall Winter 2012, Spring Summer 2012, Fall Winter 2011, Spring Summer 2011, Fall Winter 2010, Spring Summer 2010, Fall Winter 2009, Spring Summer 2009, Fall Winter 2008, and Spring Summer 2008.