Place all ingredients, except lemon curd, in a blender and blend on high until well combined.
Use a spatula to swirl a couple table spoons of the lemon curd into the mixture.
Place remaining lemon curd in a piping bag and pipe randomly into the mold. Pour the blueberry mixture into the molds and freeze for 10-12 hours for best results.
Place popsicles mold under warm running water to easily remove popsicles.