Not only is it on a phenomenal sale right now, but it’s the girly-girl costume ... celebrate your baby’s first Halloween. We can’t stop roaring about the Infant Lion Cub Costume.

Oh, baby, you look boo-tiful ... stay nice and warm while trick-or-treating in this adorable Lion Cub Romper ($21) Halloween costume.

with plenty of mutual admiration shared between both the baby and the lion. At one point, Aryeh even puts his small hand on the glass pane separating the two of them, with the adult lion following ...

Aryeh, the 11-month-old baby, was wearing a lion costume when he and his godparents went to Zoo Atlanta in Georgia. In the video, the actual lion sniffs at the glass and looks at the baby ...