something like this maybe. i was thinking like a pretty coral or aqua with an embellishment.
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"i tell you one lesson I learned
If you want to be something in life, You ain't gonna get it unless, You give a little bit of sacrifice, Oohh, sometimes before you smile you got to cry.." -The Roots
That is a really pretty dress. Immediately, i thought that a simple simple heart pendant would be captivating with this plunging neckline, especially if you have boobage (dont know if you do or dont) but either way that is all you would need as far as jewelry. You could do a simple post earring as well. Keep it really classic and simple and quite honestly, i believe that's what a guy likes best.
Shoes, keep them simple with some kind of slide but a classy slide i think would work well.