Kim Kardashian celebrated her 44th birthday on Monday, October 21, and her celebration was complete with lavish gifts. But one of the more surprising gifts came from her 11-year-old daughter, North — who left an unexpected message inside.

Kim Kardashian's 11-year-old daughter, North West, got her mother a unique gift for her 44th birthday. On her Instagram Stories, Kardashian revealed a diamond necklace, which was engraved with the words “ skibidi toilet ” on the front. "Wow," Kardashian said while showing off her gift for the gram.

A jewelry expert shares an estimated value for the 'obscure' piece of jewelry and tells PEOPLE what makes the customized gift is so special

The reality star had a surprised reaction to the diamond necklace, which was gifted by her 11-year-old daughter

Kim Kardashian is perplexed over her strange birthday gift received from daughter North West!On Monday, October 21, the American media personality, socialite, and businesswoman rang in her 44th birthday as she successfully completed another

Kim Kardashian's daughter North West gifted her a diamond-encrusted nameplate necklace engraved with the phrase 'Skibidi Toilet' for her 44th birthday

North West has certainly inherited her aunt Khloé Kardashian's sense of humor! In a delightful reveal on her Instagram story, Kim Kardashian showcased a hilariously creative birthday

Anyway, North West got her mom quite the birthday present. Yes, Oct. 21 was Kim's 44th birthday, which also makes it the fourth anniversary of when Kim went to a private island with her "closest inner circle" amid the pandemic (what a time!