We’ll get luminescent stars:

Add some extra-effects. We?ll use a big brush of white color on a new background and make the upper part of the picture brighter. The brush?s dimensions: hardness ?0% and opacity ?10%:

Also we?ll dark out the edges of the picture by clicking the next instrument and choosing Curves on a new background:

The menu is open and we can install the next parameters. Seizing the left point from the bottom.

If anything is done correctly we?ll see the next:

Let?s take the girl?s photo and using the instrument

Applying Blending options and parameter Colour Overlay on the girls?background set out the black colour.

We?ll get the girls?silhouettes:

Add the girls?silhouettes to the result we got before and we?ll see:

Add also a shadow under the girls. We need to copy the background with girls?silhouettes and use Free Transform (by clicking the right button of the mouse on the background) and display the silhouettes on 180* vertically. Don?t forget to change the opacity ?55% on the background.

Download: Source File