Something else that did not make the theatrical cut: in the restroom scene between Tess and Jack during the wedding reception, one can see a woman in white shoes in the stall next to the one Jack uses. That woman overhears the conversation between Tess and Jack about having crashed the wedding. That woman must be the one telling the bride afterwards which is why she tries to confront Tess and Jack while their are dancing.
The Petty Marsh (where Melanie and Sigourney worked) lobby scenes were filmed in the lobby of 7 World Trade Center, which was destroyed in the terrorist attacks on the USA of 11 September 2001.
In the opening shot, the Staten Island Ferry is clearly the "Gov. Herbert H. Lehman". When Tess and Cyn disembark from the same Ferry at the South Ferry Terminal it shows them getting off a different Staten Island Ferry, "The American Legion".