Kim Kardashian celebrated the birthday of her youngest son Psalm.

The little munchkin turned 3 years old on May 9.

Kim threw a Hulk themed birthday party for her cutie pie.

Psalm is the youngest son of rapper Kanye West and Kim Kardashian.

Kim shared a series of pictures from the superhero inspired birthday party.

The kids enjoying themselves at the party.

Kim wrote, Your smile lights up the room and your loud laugh and snuggles are the absolute best!

She continued, My baby boy for life!!! I love you so much!

The guests were treated to Psalm shakes.

All Image Courtesy: Kim Kardashian/Instagram.