"Thank you Armenia for such a memorable trip," Kim wrote on Instagram. "So blessed to have been baptized along with my babies at Mother See of Holy Etchmiadzin, Armenia's main cathedral which is sometimes referred to as the Vatican of the Armenian Apostolic Church. This church was built in 303."
The KKW Beauty mogul shared a series of photos of her kids at the baptism.
In this photo, baby Psalm can be seen during his baptism at the church.
Chicago holds hands with sister North West during the special day.
Kim can be seen holding Chicago, while standing next to kids North and Saint West. Beside them, Kourtney stands with Reign and Mason Disick.
Timeless lewks! The KKW Beauty founder wears a black velvet suit and dainty jewelry pieces for the special occasion. Kourtney opts for something similar, and dons a white fitted tee underneath her blazer.
Pop, fizz, clink! According to an insider, the president "said a speech to them in the presidential private dining area," and "they stayed for about two hours and had a six-course meal."
The reality TV personality leaves a bouquet of red roses during her visit at the Tsitsernakaberd Armenian Genocide Memorial Complex.
The Poosh founder strikes a quick pose for the 'gram during her trip in Armenia.
The Kardashian family shares this special moment together, as they visit the Tsitsernakaberd Armenian Genocide Memorial Complex on Tuesday.
The beauty mogul is all smiles while visiting the Armenian Government building in Yerevan.
The 38-year-old superstar visits Tsitsernakaberd Armenian Genocide Memorial Complex in Yerevan on Tuesday.
Kim and Kourtney wear their finest power suits during their meeting with the Armenian president on Tuesday. Upon their arrival, they receive beautiful flowers.
The KKW Beauty founder, Kourtney and her two kids, Mason and Penelope, visit the Tsitsernakaberd Armenian Genocide Memorial Complex