Oops, it doesn't look like 'demi lovato day' is a national day..

Other days

ask out your crush

Ask Out Your Crush Day
gallery

Gallery Day
lisp

Lisp Day
first love

First Love Day
comfy

Comfy Day
emoji

Emoji Day
prosecco

Prosecco Day
bow tie

Bow Tie Day
kiss a ginger

Kiss A Ginger Day
ruby

Ruby Day