North West and Cousin Penelope Are 'Little Mermaids' -- See Their Sweet Costumes!


North West
and Penelope Disick are the cutest "little mermaids" ever!

Kim and Kourtney Kardashian's daughters got all dressed up to meet a real-life mermaid during the family's St. Barts vacation on Tuesday. Well, Kim seems to think the mermaid is "real."

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Mermaids are real 🔱

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The cute cousins
 met the lady of the sea at the pool when she swam up to shore to chat. North was dressed as a green mermaid, while Penelope was a pink one.

WATCH: Scott Disick Shares Sweet Video of Penelope and Mason Dancing to Demi Lovato’s Summer Jam

The tiny tots seem to be having as good of a time as the older Kardashian-Jenner gals are in St. Barts. Aunt Khloe Kardashian snapped a pic of North earlier this week that was beyond adorable.

"MOOD," Khloe simply captioned the pic of her niece wearing crooked, over-sized sunglasses.

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Kim has admitted that North is a "girly girl," and that was clear when she met the mermaid.

WATCH: North West Adorably Indulges in Sweet Treat, But Majorly Misses Her Mouth

"Every day she wakes up and says 'shoes.' You have to bargain with her -- before you change her diaper she needs a pair of shoes on," the pregnant reality star told Vogue earlier this year. "North does love handbags, and anything where there's a little bit of glitz."

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