Sam Smith has a reverse happy trail (PHOTO)

Sam Smith posted a photo on Instagram today laying on his stomach revealing his reverse happy trail! What is that patch of hair called?

It's obviously an invitation! Ha!

Sam Smith recently made headlines by losing 14 pounds in 14 days and he looks amazing. HarperCollins is now scrambling to get the U.K. diet guide "Eat Nourish Grow" unto American bookshelves after Sam Smith's endorsement on Instagram.

Anyway... so what is this called?

Sunday chilling

A photo posted by Sam Smith (@samsmithworld) on