Start by applying a solid color to the background layer.



Double click this layer in layer window to unflatten it. Double click the layer to open layer style window. Apply layer style with the settings shown.





Using custom shape tool create a preset 5 pont star shape.



Populate the background with stars of different sizes.



Rasterize the layer. Hide the background layer. Create a rectangular selection of the whole area using rectangular marquee tool.



From edit menu select define pattern. name the pattern "stars". We'll use this pattern regularly in later steps.



Change the layer mode of stars layer to overlay.



Using custom shape tool create a preset 5 pont star shape.