United Kingdom, April 17 -- Vogue Williams' eldest child follows her everywhere because he is petrified of being kidnapped.

Theodore, seven, had been "hanging out with older kids", and the 40-year-old model and her 37-year-old husband, reality TV star Spencer Matthews - who also have a son named Otto, three, and a five-year-old daughter called Gigi - think they may have discussed people getting abducted.

He goes to the gym with Vogue, and her sister, Amber Wilson, joked that Theodore may be using his fear of being kidnapped just to tag along and use his iPad while she trains.

On the latest episode of the siblings' podcast, Vogue+Amber, she said: "Theodore has gotten something into his head, and he doesn't want to go anywhere with, he o...