Spray slow cooker liner with non-stick cooking spray.
Pour two cans of cherry pie filling into the slow cooker.
Melt the butter in a medium bowl and add cake mix. Stir until combined.
Crumble cake mix mixture over cherry pie filling in slow cooker liner.
Cook on high for 2 hours or low for 4.
Dish out your crockpot cherry dump cake into a serving dish and top with some ice cream while still warm.