Kim Kardashian has given the world a first look at her and Kanye West's baby son, Saint West.

The photo posted to Instagram shows a special moment between the newborn and his older sister North, with Saint West's tiny hand holding on to North's finger.

"She said, 'He's my best friend.'," the photo's caption reads.

Saint West was born on December 6 in Los Angeles with the celebrity couple later announcing his name via Kardashian's website and app.

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She said, "He's my best friend."

A post shared by Kim Kardashian West (@kimkardashian) on

- AAP