Black and white dress coded party?

Good Ideas For A Nice Outfit For A Black And White Dress Coded Party?
I Live In The UK So I'd Have To Be Able To Get It Over Here?
Its Not A Formal Thing..
Just My Best Friends Seventeenth Birthday

I think it looks cool when women wear a tie, so I would get black pants, what long sleeve button down shirt and a black tie and vest, I think that would look sharp

http://www.topshop.com/webapp/wcs/stores/servlet/CategoryDisplay?beginIndex=0parent_category_rn=42344top=YviewAllFlag=falselangId=-1storeId=12556catalogId=19551categoryId=103409
use this as a link to the topshop website (the two tone dress at the top looks amazing on), team any of the fabby black dresses with dark black tights and killer coloured heels and you'll be a hit!

http://www.lanebryantcatalog.com/pagebuilder/lane_bryant_catalog_product_page?item=850062source=8LBNXTtid=CN%20NexTagsrccode=cii_9324560cpncode=17-25804811-2

http://www.dhstyles.com/ProductDetails.asp?ProductCode=KATIA-213-BLACK-WHITEClick=1169gdftrk=gdfV2382_a_7c451_a_7c1384_a_7cKATIA_d_213_d_BLACK_d_WHITE