What's the Big Frigin' Difference?!

If you feel like there is something a little strange in the above snapshots ... then you're onto something. See if you can hone your hunch to spot the differences in the following photos!**HINT -- There are THREE differences in the above…

TMZ
What's the Big Frigin' Difference?!

Source: http://www.tmz.com/2011/12/31/whats-the-big-frigin-difference-hunt-gallery-pictures/

Giuliana DePandi Giulianna Ramirez Grace Park Gretha Cavazzoni Gwen Stefani Halle Berry Hayden Panettiere Haylie Duff Heidi Klum Heidi Montag