Kim Kardashian and Pete Davidson sport matching pyjamas after dating rumours

Kim Kardashian and Pete Davidson (PA/AP)

Kim Kardashian and Pete Davidson have added fuel to rumours they are dating by sporting matching pyjamas at a birthday party for the comedian.

The reality star, 41, and the Saturday Night Live performer were first linked after they were photographed together holding hands at a Halloween event at a theme park in Los Angeles.