Is this a cute dress for a wedding? I am not really fat (5'6''. 153lb).?

http://www.target.com/Tracy-Feith-Target-Pique-Print/dp/B0025VVEHK/qid=1245462592/ref=br_1_4/180-2117551-8116526?ie=UTF8&node=1288310011&frombrowse=1&rh=&page=1