People.com Celebrity Water Babies North West and Penelope Disick Meet a Mermaid on Vacation in St. Barts Kim Kardashian shared a photo of the adorable cousins' meet and greet with a mermaid By Naja Rayne Updated on December 1, 2020 09:39 PM Share Tweet Pin Email Photo: Courtesy Kourtney Kardashian In today’s adorable news, North West and Penelope Disick wore similar mermaid costumes when they met a mermaid. Kim Kardashian West shared a photo on Instagram of her daughter and niece looking captivated at a woman who sported a fishy tail. Penelope, 3, wore a pink mermaid costume, while North’s was green. Both girls wore matching black tops. The soon-to-be mother of two captioned the photo “little mermaids.” Kourtney Kardashian also shared a snap of the mermaid meet-up on Wednesday morning. “Last night we swam with a mermaid,” she wrote. The photos are more proof that these girlies are thick as thieves. Kardashian West has shared many other photos of her 2-year-old daughter with her niece, including birthday posts of the two and an adorable hugging photo of them helping each other with scrapes and cuts. “These wild ladies always help each other when they have boo boo’s! #BFF’S #HappyBirthdayP,” the 34-year-old captioned an older photo. Ed Sheeran Takes a ‘Wax Selfie,’ North West Is a Ballerina in Balmain and More! North and Penelope also shared girls nights at their aunt Khloé’s house, complete with animated flicks and selfies.