What's The Big Frigin' Difference?!

These Justin Bieber pics will rock your frickin' socks off, but do you think you've got what it takes to see the minor changes in the two shots?! There's only one way to find out, but we sure BELIEB in you!

Earlier this week in NYC, Hailey Bieber was workin' her Rhode Beauty pop-up, and the father-to-be took a quick swaggy stroll -- sporting some shades, a pair of Mary Janes, and a loose-fit button-down tee ...

"What Do You Mean" you can't get the sneaky switch-ups in the hole?!