Kourtney Kardashian Makes It Reign (Her Son's Name, That Is)
Reality TV star reveals unusual moniker for her new arrival...
The reality TV couple made the big reveal with a super-cute post on her Instagram feed showing her holding hands with the nipper.
She wrote: "Madly in love with my little Reign Aston Disick."
They welcomed their new arrival last week, on son Mason's fifth birthday - and they also have a two-year-old daughter Penelope.