Meghan's stylist says she was 'calm and chatty' ahead of the event, which was watched by millions.
A source close to the Chelsea owner says the renewal process is taking "a little longer than usual".
Meghan will follow the royal bridal tradition started by the Queen Mother in 1923.
Govia Thameslink Railway blames "logistical reasons" for disruption on its services.
Rules will introduce new categories for defects and tougher tests on diesel emissions.