There is nothing cuter than a baby dressed in the baby Halloween costumes from Old Navy. Our infant Halloween costumes are available in adorable little outfits that can be worn over baby’s regular clothes when baby goes trick or treating in the chilly evening air. Find the cutest Halloween costumes for babies including bumblebees, dragons, bears and more. You will smile when you see the sweet baby Halloween costumes from Old Navy. Our infant Halloween costumes are designed to be comfortable and fun for baby to wear.