What's The Big Frigin' DIFFERENCE!?

12/19/2015 6:52 AM PST

What's the Big Frigin' Difference?!

Mark Hamill struck a Skywalker pose with his Stormtrooper posse as he invaded a "Star Wars: The Force Awakens" premiere ... Use the force to spot the differences between these two spacey snapshots.

**HINT -- There are THREE differences in the above photographs!**