Popsugar Parenting Costumes For Kids Costumes For 1-Year-Olds Don't Stress Over Halloween Costumes For Your 1-Year-Old — Here Are 44 Cute Options 26 July 2018 by Alessia Santoro View On One Page Photo 10 of 44 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Hippo This one-piece Baby Hippo Costume ($59) is so adorable. Baby Hippo Costume $59 from potterybarnkids.com Buy Now Previous Next Start Slideshow Costumes For KidsHalloween Costumes 2018Halloween For KidsToddlersCostumesHalloween