Kourtney Kardashian's daughter showed love for her cousin and little BFF North West over the weekend. 

The three-year-old wore a cute T-shirt that honoured Kim Kardashian and Kanye West's girl while out with her 36-year-old mum and brother Mason, five in Calabasas, California.  The black vest was emblazoned in gold with the phrase, 'What would North do?' See more photos: