Kim Kardashian shares first photo of Saint West

LOS ANGELES, Jan. 4 (UPI) -- Kim Kardashian shared a first photo of son Saint West on Saturday.

The 35-year-old reality star gave fans a glimpse of the 1-month-old infant by posting a picture of Saint holding 2-year-old sister North West's hand.

"She said, 'He's my best friend,'" she wrote of her daughter in the caption.

Kardashian and husband Kanye West welcomed Saint on Dec. 5, and revealed his name two days later. The couple {link:reportedly chose Saint "https://www.upi.com/Entertainment_News/2015/12/08/Kim-Kardashians-sons-name-reflects-difficult-pregnancy/3471449608763/" target="_blank"} to reflect the reality star's difficult pregnancy.

Kardashian told fans she's been "loving life" and "chilling at home with the baby" in a video update last month. The reality star rang in the new year in sweats at a low-key celebration with sister Kourtney Kardashian and Caitlyn Jenner.

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Kim Kardashian shared a photo of son Saint West holding North West's hand. Photo by Kim Kardashian/Instagram

Kardashian and West welcomed North in June 2013, and married in May 2014. The reality star said her daughter has been "so sweet" about welcoming a sibling and "talk[s] about baby brother all the time" ahead of Saint's birth.