The 2012 Colonial Square Ladies Classic was held from November 8 to 12 at the Nutana Curling Club in Saskatoon, Saskatchewan. It was the third women's Grand Slam event of the 2012–13 World Curling Tour. The event was held in a triple knockout format with 48 teams, and the purse for the event was CAD$54,000. Lawton won her second Grand Slam and sixth Colonial Square Ladies Classic title with a win over Chelsea Carey in the final, stealing the winning point in the final end and winning with a score of 5–4.