What style of dress would this be?

A floral-patterned cotton sundress with a very short skirt that ties in back at the waist.

Try 1950’s style dresses.

1950s style tank dress. You can also try halter – if you don’t mind having ties behind the head—another traditional version of this dress/silhouette had halter ties..

p.s. a shop on Etsy is selling a similar version (though slightly longer/fuller skirt) check out this link perhaps.

Sundress with fitted top?

40s-era sundress.

Women’s clothes from the fifties never had skirts above the knees. Possibly in the 1940’s due to war-time shortages and dearth of cotton for domestic use.

A sundress with a vintage flavor.

I would call it an A-line sundress with straps and a mid thigh length (short) skirt. Here’s a site that has a vintage swimsuit that is very similar.

Or possibly a 1940’s inspired play-suit dress. Because it’s similar to the one in this picture. But make it clear to anyone who is trying to help you look for it, that the top of it is like a vintage sundress with straps and not sleeves.

It is kind of 1950 vintage dresses…So is vintage the theme of your party ? then this dress goes perfect. But if not, you should think twice..otherwise you would stand out from your friends in graduation party. Just check out these tips for graduation party dresses

Ask your friends what they are wearing in party and then decide your dress. hope this article would help you to decide your dress for party.