However the 33-year-old, whose fiancé Kanye West is said to have put his foot down over keeping their first-born out of the limelight, couldn't resist posting a cheeky throwback picture of the gorgeous tot.

Sharing a picture last night of the moment she met Anna Wintour for lunch with Kanye- who took the snap, and little North, Kim describes the memory as 'the best day ever'.

The picture appears to have been taken in a New York hotel on November 19, the day Kim was told she would be on the famous April cover of Wintour's magazine Vogue.

The news was only announced in March, with an excited Kim tweeting at the time:

'This is such a dream come true!!! Thank you @VogueMagazine for this cover! O M GGGGGG!!! I can't even breath!' (sic)

Kim, who is rumoured to be tying the knot for the third time in the next month, captioned the picture: "TBT when Anna met North! Oh and told us about our Vogue shoot! #BestDayEver #Vogue #NorthOnlyPayingAttentionToHerDaddyTakingThePic'.

Whilst rapper Kanye was not as vocal about his excitement, the 36-year-old showed his softer side when he tweeted a snap from the shoot with the caption 'I love my family'.

Aw, do you think it's third time lucky for Kim?