What's The Big Frigin' Difference?!

This cozy little singer has a few tricks up her sleeve. Are you good enough to spot the differences in these fuzzy photos?!**HINT -- There are THREE differences in the above photographes!** 

Source: http://www.tmz.com/2012/12/09/whats-the-big-frigin-difference-tmz-games-photoshop-guess/

China Chow Chloë Sevigny Christina Aguilera Christina Applegate Christina DaRe Christina Milian Christina Ricci Chyler Leigh