Kim Kardashian West's daughter North still believes she's an "only child".

Kim Kardashian West with Saint and North

Kim Kardashian West with Saint and North

The 37-year-old reality star might have two-year-old son Saint and eight-month-old Chicago alongside her eldest child North, five, but the youngster still acts as though she doesn't have any siblings - although she has told her mother to have another baby boy so Saint "can just leave [her] alone".

Kim - who has her brood with husband Kanye West - said: "North acts like an only child at all times. I think she's a little confused. She's beyond jealousy now. She's just like, 'It's my world.' She said to me the other day, 'Mom ... we just need to have another baby brother so that Saint can just leave me alone ... so the girls can be on this side of the house and the boys can be on that side of the house.'"

And when she does acknowledge her siblings, North has waged "full war" with her brother Saint, and won't let him into her bedroom without their mother.

Kim added: "She has a sign on her door that says, 'No boys allowed.' She won't even let Saint step foot in her room. If he does or if he's with me and I have to take care of both of them ... it's like full war."

Whilst North might be against the idea of having siblings, toddler Saint is full of love for his family.

The 'Keeping Up with the Kardashians' star told model Ashley Graham in her new podcast 'Pretty Big Deal': "It's so funny, and he's just the nicest human being on the planet. Today he's like, 'Mom, you're my best friend' ... so I tried to get him on video, so I was like, 'What did you say?' And he said, 'I love you so much, Mom.' I was like, 'Even better!'"

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