Well, this project... there were only four entries

Jun3machina I thought your description was interesting, especially that you added boning to it

. The headdress makes it a little costume-like but the rest definitely fits "cocktail."
EdanChrysler I really liked your diagram. The object you chose is cute. The only thing I would say is that the black is quite harsh against the rest of the other details... just because it takes up a lot of the body. It appears heavy among the top "softer-looking" materials.
Pg_graffitti I thought you chose very interesting silhouettes! I also like how you incorporated some of the objects' details into the outfit. I was wondering if it would be comfortable to wear the shells hanging on the collarbone, but you could even border them with fabric to make it soft on the skin.
Khoipond's idea was also really cool!! Interpreting a bag into a dress. The details are very nice. I agree with you in keeping the comfort and wearability of fashion, but I do think you can have these together with "aesthetics" and not look like a mess
The winner will have to be...
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Pg_graffitti
I felt you were very close to the project guidelines.
I love the objects you chose--the colours/materials are fresh and even fit with the trends of the season (shine, white, embellishment, balloon shape...).
My project might have been a little unclear to some people...
The silhouette is really just the "outline" of a shape. You could just keep this outline and decide to dismiss the object's details. (ex. an egg would be an oval, and instead of white colour for the inside, you might use pink with crocodile scales, or something like that.)
Anyway
congratulations!