1. Make it as Grand as Possible
You will have to pay for a film crew and the actors and you will need to seek per- mission from the owners of the building to pull this one off. Take her to a really swanky restaurant or hotel as a treat (tell her you made your bonus) and when you arrive, there will be a film crew there shooting an episode of a drama or a movie.
Pre-arrange for the producer to ask you both if you would be extras for a small fee.
When your scene comes up, say the lines on the script and when your girlfriend has finished delivering her lines, drop down on one knee and pop the big question.
She will be completely stunned and taken aback as she will be in ‘actress’ mode.
Alternatively,