What's The Big Frigin' Difference?

Don't let these two almost identical images of Bella Hadid have you stopped in your tracks ... get a move on it and see just how fast you might be able to find out what sneaky switches have been made to this tricky pic!

The model was seen out while running errands in New York City earlier this week ... and we made a few changes to this photo! Take a really good look around and try your best to figure out the differences between these two super-similar snaps!