"Love Letters of Great Men", which Carrie borrows from the library, was a prop created for the film and no such book existed during production. Demands from fans wishing to purchase the book led to many editions of a "Love Letters of Great Men" book being published. The official tie-in version was compiled by John C. Kirkland and released the same day as the film, and other editions were compiled by Ursula Doyle and Becon Hill.
Carrie has the same cell phone as she did in Sex and the City (1998). To show how much time had passed, the producers added tape to it to make it seem worn.
The tutu outfit that Carrie models for the girls is the same outfit she wore in the Sex and the City (1998) opening credits.
Domestically it was the highest grossing R-rated female comedy until Bridesmaids (2011). However, as of 2018, it is still the highest grossing R-rated female comedy at the worldwide box office.