From a wedding a few years ago, where I was a guest, not the photographer, but I knew there would be some interesting things to capture so brought my gear with me. The venue was a large country house which was lit up with purple and blue light and can be seen reflected in the front of the nearest helicopter. There is a small race track around the outside of the house which also allows access to the front, which is what the light streaks on the left are from (no racing at this time though, just taxis coming and going). Stars are real but have been embellished, the same plugin also worked on the brighter highlights and I decided to leave the effect in.