Go to Auto-level
Now go to hue/saturation and adjust saturation to 154
Mark and copy a little piece of your base like this:

and add a new layer with this and choose where you want it to be.
Duplicate this layer with the little picture and go to Glow. Adjust radius to 10, and Brightness and contrast to 100.
Now flatten all the layers to one.
Add a new layer and fill it with #9C99FF. Go to layerproperties and choose Color burn and adjust 100 on opacity.
Add a new layer and fill it with #FF267C. Go to layerproperties and choose Lighten and adjust 100 on opacity.
Add a new layer and fill it with # FFDD77. Go to layerproperties and choose Darken and adjust 100 on opacity.
Add a new layer and fill it with #8CEDFF. Go to layerproperties and choose Color burn and adjust 186 on opacity.