I can't believe I haven't posted about this awesome color yet. I also can't believe Essie came out with such a beautiful, bold color. :)
Sexy Divide is a deep shimmery purple that morphs into different shades of purple depending on the lighting. The above picture is of SD in the shade. You can see the the bottle has tons and tons of blue and red shimmer, but the shimmer isn't super apparent in the shade (or indoors), and that it is a very blue-toned purple. But here it is in the sunlight. *BAM!* It's red-toned purple now! And the shimmer is visible! Ok, so you can't really see the shimmer in this picture. But I swear, it's there. I'm pretty bummed that the shimmer doesn't show up indoors, as that would have made Sexy Divide the perfect polish. As it is, Essie came pretty close. :) Here's a (very bad) picture of Sexy Divide indoors.
You can see that while it's a very dark purple indoors, it by no means looks black. Hooray! I'd call it an eggplant, or aubergine when indoors. :)