Petite Mini Dress Dress Help?

Dress help? - petite mini dress

I am looking for a simple but dignified prom.
I hate Cinderella-type dresses and pastel nothing ... I prefer to look too nervous.

Here is a picture of me. (I left)

http://i94.photobucket.com/albums/l93/ohhipbones/l_8fd816fc4f72e77f33d6faf52d1a9ab9.jpg

Brown hair, blue eyes and green. Small. Size 10




And I love the dress. I know this is not really a dance .. Type of dressing, but I prefer to be comfortable. I do not know if the color costume id?

http://www.frenchconnection.com/product/w1dressesbcbyPURPLE/71P7E/Lady+Dress.htm

or this ...?

http://www.warehouse.co.uk/fcp/product/-/DRESSES/BLACK-TWIST-BOW-MINI-PROM/6596


Thank you.