It's Moon Day and there is no better way to shed some light on this special holiday than by taking a look at these flashing stars.

Celebrities go through phases, just like the moon, so it makes sense that every now and again these famous faces share a little more than usual on social media.

Take a trip through our gallery of famous full moons to catch a glimpse of the famous fannys ... see if you can figure out the celebrity in the cheeky photo!!!