The first time in the season that we see Big's wife Natasha wearing something other than white.
The film American Beauty (1999) had just come out a year prior to this episode. There is reference to American Beauty roses and Mena Suvari, who has a major role in the film.
At 25:41 in the C & D on Carrie's dress on her right shoulder are turned backwards. At 26:29 in they are turned the right way.