The caption referred to Kylie's own "Happy 30th Birthday" message to Kendall on her 28th birthday in November 2023, as well as a moment in The Kardashians when the younger Jenner sister said her ...

Alongside a photo of the 818 founder holding Kylie as a baby, Kendall wrote: "happy birthday my tiny baby sister @kyliejenner." kendalljenner/Instagram As for how Kylie has been celebrating her ...