As anyone who has attempted to take a picture with young children involved, it's not always easy to get the perfect image.

Someone's either blinking, crying, looking away or doing something they shouldn't be - which makes Kim Kardashian's latest social media post all the more impressive.

She shared the first Kardashian-West family photo featuring husband Kanye and all three children - North, Saint and Chicago - on Twitter and Instagram, but it's 4-year-old North who out-poses even her mother.

As Kim revealed in the caption, it wasn't an easy task, either...