Prepare the red velvet cake mix according to the package and bake in a 13x9 pan.
1 box red velvet cake mix
Place the white chocolate chips in a microwave-safe bowl and microwave in 15-second intervals until completely melted.
1 cup white chocolate chips
Once the chocolate is completely melted, combine with the condensed milk stirring until completely combined and smooth.
14 ounces sweetened condensed milk
Once the cake has cooled, poke holes with the handle of a wooden spoon in rows.
Pour the sweetened condensed milk mixture over the cake and push gently into the holes.
Place in the refrigerator for at least 30 minutes to set.
After the cake chills for 30 minutes, top with cream cheese frosting and return to the refrigerator until ready to serve.
16 ounces cream cheese icing
Before serving, top the cake with white chocolate curls and the sprinkles.
¼ cup Christmas sprinkles, 2 tablespoons white chocolate curls