Britney Spears

Whoa Britney! That's a lot of caffeine you're slurping up! Or is it?

At first glance, we thought Brit Brit was sucking on two frapps yesterday afternoon, but upon closer inspection, we realized that it was just one. Then again, Brit looooves her ice blended drinks so much, it wouldn't surprise us if she actually does this sometime in the near future!

So what caused this optical illusion? Click after the jump to see!