Junior White Graduation Dresses HELP! White Dress For High School Graduation?

HELP! white dress for high school graduation? - junior white graduation dresses

I did my graduation in 2008 before and we have some white dresses, so we have to bear in a white dress. Can you please help me to decide what is good?
Check out these I found? and any other proposal.
http://shop.nordstrom.com/S/2983844/0 ~ 23 ...
http://shop.nordstrom.com/S/2975846/0 ~ 23 ...
http://www.chadwicks.com/clothing/JG-Hoo ...

is my size XS-as
in the junior and women and

Even a nice dress shoes fit

Thanks for the help: D