Beat cream cheese and sugar together with an electric mixer until blended.
Fold in the blueberries.
Score the bread in a grid pattern, being careful not to cut all the way through.
Place on a baking sheet and spread cream cheese and blueberries all through the scored sections of bread.
Drizzle melted butter over bread.
Mix cinnamon and sugar together and sprinkle over the top of bread.
Bake at 350 degrees for 15 minutes or until hot through.