Preheat oven to 350°F and prepare a cupcake tray by filling with liners.
To a mixing bowl, add all purpose flour, baking soda, baking powder, and salt. Whisk together and set aside.
To another mixing bowl, combine the white sugar, light brown sugar, eggs, vegetable oil, whole milk, sour cream, and vanilla extract. Whisk together until completely smooth.
Add the dry to the wet and combine until you have a thick batter.
Finally, fold in the blueberries with a rubber spatula to gently incorporate.
Now to make the crumble, mix together white sugar, flour, melted butter, and a dash of cinnamon until a dough forms.
Scoop the batter to the cupcake tray, filling each one to the top. Sprinkle the crumble on top but do not press it into the batter.
Bake for 20 to 25 minutes in the oven or until a toothpick comes out clean in the center.
Take out of the oven and allow to cool completely before enjoying!