Do Strapless Dresses Look Better with an Updo, Half Up or All the Way Down?

So for my homecoming (on Saturday) I have a strapless blue dress, and I am still deciding on how to do my hair, up like this :

http://www.google.com/imgres?q=formal+hairstyles+updo+julianne+hough&um=1&hl=en&biw=1066&bih=757&tbm=isch&tbnid=m4DBCAwrS04c7M:&imgrefurl=http://boards.weddingbee.com/topic/romantic-hairstyle-inspiration&docid=9lgmmNczuHW-hM&w=398&h=594&ei=pqZ_Tpf-O6qosQK1uJAa&zoom=1&iact=hc&vpx=421&vpy=164&dur=1808&hovh=274&hovw=184&tx=136&ty=175&page=1&tbnh=161&tbnw=109&start=0&ndsp=18&ved=1t:429,r:2,s:0

Half up like this: http://www.google.com/imgres?q=formal+hairstyles+half+up&um=1&hl=en&biw=1066&bih=757&tbm=isch&tbnid=D4PjphhDM4LG5M:&imgrefurl=http://www.style-ladies.com/tips-of-selecting-your-wedding-hairstyles/&docid=Z-6un4WG9Fa5oM&w=300&h=400&ei=3aZ_To-vH-GosALxssE0&zoom=1&iact=hc&vpx=779&vpy=314&dur=713&hovh=259&hovw=194&tx=124&ty=195&page=1&tbnh=157&tbnw=106&start=0&ndsp=18&ved=1t:429,r:16,s:0

all the way down: http://www.google.com/imgres?q=formal+hairstyles+down+and+curly&um=1&hl=en&biw=1066&bih=757&tbm=isch&tbnid=9VDeh2kjx72ESM:&imgrefurl=http://curlywavyhairstyles.com/curly-prom-hairstyles.html&docid=2dYXpxlXFjnAHM&w=400&h=529&ei=Bad_TpmyF8ylsQKMhPwh&zoom=1

ORRRR a side pony (My mom wants me to do this) aha: http://www.google.com/imgres?q=gretchen+rossi+hairstyle&um=1&hl=en&biw=1066&bih=757&tbm=isch&tbnid=-VMdqozW1S-8AM:&imgrefurl=http://www.sophisticateshairstyleguide.com/gretchen-rossi-3/&docid=3Wd4cGu69xM4vM&w=230&h=317&ei=eqd_TvK9D8KpsALGvIxC&zoom=1&iact=rc&dur=723&page=2&tbnh=179&tbnw=120&start=18&ndsp=16&ved=1t:429,r:3,s:18&tx=24&ty=53

ANYYYY HELP WOULD WORK(: AND IF YOU HAVE ANY OTHER SUGGESTIONS I'D BE HAPPY TO TAKE THEM (:

I like what you want to do, julianne hough's updo(: