take a look at some of the best skeleton- and skull-tattoo designs from Instagram ahead. There's nothing that increases the spooky factor of a skull tattoo than a hyperrealistic design.

Here are 49 of our picks of the best sugar skull tattoo ideas to inspire your next piece of bodily artwork. While this one isn't a skull per se (it's more of a floral arrangement that LOOKS like ...

Covered all over, fans have been intrigued by the designs chosen by the Maroon 5 lead singer — from a back tattoo of a mermaid holding a skull to a butterfly in a spiderweb on his neck.