In an exclusive new interview with People, the 36-year-old reality star revealed how she selected that name. "I actually had the name on our list with Mason," she told them. "Then with Penelope, I had it on the list but spelled R-A-I-N."
She says she was convinced that this child was going to be a girl, so she had R-A-I-N back on the name consideration list, but when they found out it was a boy, they simply changed the spelling and four months ago, baby R-E-I-G-N was born.
We still aren't sure where the Aston came from (Aston Martin, maybe?), but we like it.
And not unlike the other young members of the famous fam, Reign already has a pretty awesome wardrobe thanks to hand-me-downs from cousin North West and siblings Penelope and Mason Disick. "He has an amazing wardrobe," Kourt gushed.
We've seen how stylish his siblings and cousin are, so we have no doubt his wardrobe is already better than what most adults have hanging in their closets!
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Gallery | Kourtney Kardashian's Casual Chic Style