I'm losing a lot of weight lately and I was looking at Gothic Lolita Dresses >//////<

I was hoping to wear one to Senior prom (not going junior year) and I was wondering if anyone had any good suggestions of dresses or sites I should go to. So far I like this dress:

http://www.ebay.com/itm/Blue-Gothic-Punk-Lolita-Bustier-Corset-Dress-XL-/250814243451?pt=US_Corsets_Bustiers&hash=item3a65b1a27b#ht_4979wt_1163

With these gloves:

http://www.ebay.com/itm/gothic-burlesque-cosplay-lolita-arm-warmers-fingerless-gloves-corset-style-0710-/160659330755?pt=US_CSA_WC_Dresses&hash=item25680ad6c3#ht_5684wt_1396