Remove some saturation and change the overall color of the source image and crop it to fit your needs.
step 2 of 5
Use large standard brush to draw the outlines of the heart. Use blur tool and layer effect outer and inner glow to achieve blurry, transparent look. Use warp tool to smooth hard edges from the shape.
with different colour and opacity settings and draw the light trail for your dancers around their bodies. Add sparks for the hands and a large spiraling brush for the center.
step 4 of 5
Here is the basic composition.
step 5 of 5
Make a new layers from the image, use vibrance and HDR toning tools to achieve more vibrant colours and remove the excess colour by masking with a light opaque brush.
(Use hue/saturation and levels if using older CS versions)