Cousins Penelope Disick and North West, had a joint birthday party on Saturday, courtesy of their famous family, the Kardashian.
The girls whose birthdays are three weeks apart had a joint little mermaid themed party with a cake each.
North, who is daughter to Kim and Kanye West turned three on June 15, while Penelope, whose mom is Kourtney and dad Scott Disick,will turn four on July 8.
Both little girls had their big fashion moment as they both dressed up as mermaids with shiny fish tails.
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North wore a blue sparkly bikini top with her shiny purple scales, while Penelope had on a starfish-shaped bikini top to go with her turquoise tail.