The trio were joined by their family members, including Kendall Jenner, Kylie Jenner and her boyfriend Tyga, Kourtney Kardashian and her son Mason Disick.
North was born on June 15, 2013.
Kim posted a picture of North with her face painted as Minnie Mouse and her hair tied in a bun.
Kylie shared a photograph of herelf and a friend posing with gold balloons which read "NORTH".
Kourtney instagrammed this
Earlier, Kim also posted some rare photographs of North's baptism in Jerusalem.
Kim is now expecting her second baby with Kanye.