The natural parents should be the ones to attend the actual ceremony. it is only an hour or so and the other two could wait in the foyer or waiting area as lots of other friends and relatives do and then meet up for a meal. There is usually a screen showing the ceremony for them to watch and you do get a good view of it all from there. The poor lad will only be on stage for two minutes but will be anxious and doesn't need more stress from step parents.
Army horses loose on London streets
Last weekend, in Rutland, the first statue in Britain of the late Elizabeth II was unveiled.