North West celebrated her third birthday at Disneyland on Wednesday (15.06.16).

North West [Instagram]

North West [Instagram]

The daughter of Kim Kardashian West and Kanye West was treated to a day out at the theme park by her parents, where she dressed up as a princess in a pretty pink dress.

Kim shared a picture of North on Instagram and wrote: "Thank you @disneyland for making all of my princess dreams come true today!"

Kim also shared a video of her and North and wrote: "She promised me she wouldn't get any bigger. I can't believe my baby girl is 3 years old today!!!! Northie I love you so much I can't even explain it! Happy Birthday to my favorite mermaid!!!"

She later added another video of her kissing North with Kanye in the background and captioned it: "I will never stop kissing you and loving you and annoying you."

Kim called North "the joy of my world" in a sweet message on her app, where she wrote: "The joy of my world, my best friend- I would be lost without you. I've loved seeing you grow up, and I can't wait for many more amazing years. I love you, my bubs!"

Kim's family also took to social media to wish North - who has a six-month-old baby brother Saint West - a happy birthday.

Kendall Jenner gushed: "North, I can't believe you're already three! It's crazy how quickly you're growing up, but it's so amazing to see.

"You're such an energetic, outspoken and funny kid. You're also the chicest little lady I know (along with P, of course). Happy birthday - I love you!"

And Kylie Jenner added: "Happy birthday to my beautiful niece, North! You're so funny and smart and it's really special to watch you grow up."

Khloe Kardashian wrote: "Happy birthday to my niece, North! You are the sweetest little girl and such an awesome big sister to Saint. Auntie KoKo loves you to the moon and back!!!"

And proud grandmother Kris Jenner tweeted: "Happy 3rd birthday to my little angel, my precious granddaughter North!!! I can't believe you're 3 today!

"You are growing into the most beautiful little girl!!! You bring us so much joy and I thank God every day for blessing us with you."