I need help finding a dress?

in the movie hes just not that in to you scarlett johansson is waring a dress that i really would like 2 have if u have any info on the dress please tell me this is the dress please tell me something other than what is on this site http://www.celebrityfashiontips.com/scarlett-johansson-dress-from-hes-just-not-that-into-you/