I'm guessing that's a dress? Or skirt of some kind? A petticoat Is something you wear that helps the skirt/dress give it a more poof like in historical pictures you see how the dress has volume? That's why..
And I agree it would look better with one.
I ALSO agree you have serious talent
Cosplay DA Regular DA
Akicon 2014 (so far):
-OC (Original Series)
-Yui Hirasawa (K-On!)
-Yui Hirasawa (Attack On K-On!)
-Hanji (Attack On Titan)
-Nepgear (Hyperdimension Neptunia)
-Link (Zelda: OOT)
-Miku (Vocaloid, Galaxy Girls [fan models])
Dream cosplays for now:
-Tsuruya-san (Haruhi Suzumiya)
-Kagami Hiiragi (Lucky Star)