The dress Carrie wears to dinner when Mr. Big picks her up from her old apartment is the same one she wore when apologizing to Natasha, Mr. Big's ex-wife, for her and Mr. Big's affair in What Goes Around Comes Around (2000).
The government of Abu Dhabi did not allow filming, calling the film "too sexual".
In an interview with Ellen DeGeneres, Penélope Cruz mentioned that she shot her cameo in two hours. She said that she wanted to do it because she was a fan of the series and Sarah Jessica Parker.
The airport, when the ladies arrive in the Middle East, is not the Abu Dhabi airport. It is the airport of Marrakesh, Morocco, famous as well for its architecture.
In May 2015, Sarah Jessica Parker posted a teasing photo of her with a shopping bag, in order to promote her collaboration with Bloomingdales. However, the photo went viral, when it proved so ambiguous, that several fans believed the photo teased a potential third "Sex and the City" movie. Several online outlets reported the announcement, and an unaware and puzzled Cynthia Nixon, co-star of the show, was asked about it during a live interview. In the end, Warner Brothers Studios had to make an official statement that there were no plans for a "Sex and the City 3."