This image was assembled in Photoshop from the elements shown below.

The original studio photo of the model reaching towards the strobe light.  Her hand, already lightened by being closer to the light source, was further lightened in Adobe Bridge before bringing it in to Photoshop. A layer mask was created around the model to separate out the background.

This is a composite of four images. The first was a simple round white ball which was then used to create two more layers that were blurred to create a glow. The final image is a star burst to provide the streaks. This was added to the final image and its Photoshop layer changed to "screen", which eliminated the black.

A sky photo provided the background to which a vignette was added below.

Here are two variations of the model applying similar techniques: