The seven-year-old royal couldn't help but tease his eleven-year-old sibling as they sat next to one another to watch the military procession in London yesterday.
Thailand requires men aged 21 or over to attend a 'lottery' day every April where they must enlist in the military for a two-year stint, before being recruited at random.
In hilarious footage filmed by his wife Carrie that was 'too funny not to share', Johnson comes at the nippy end of the large bird after coxing it towards his car.
Her alleged comments were written in a diary that it is claimed was deliberately left open at the Earl's ancestral home in Northamptonshire but could not be disclosed until now for legal reasons.
The owner is seen sprinting after her pet as dozens of deer dart away, many in the direction of nearby oncoming cars in Richmond Park in south west London
The footage, filmed yesterday afternoon by a van driver in Maidenhead, Berkshire, shows the woman (pictured) at his side of the vehicle, having gotten out of her car to shout at him.