From People: Along with the original fab four - Sarah Jessica Parker, Kim Cattrall, Kristen Stewart and Cynthia Nixon - Penélope Cruz and Liza Minnelli are both appearing along with Jason Lewis, who is reprising his role as Samantha's younger ex.
Despite previous reports, Cruz doesn't play herself in the film. For her cameo, the Oscar-winner fills the designer shoes of a banker, a source tells PEOPLE.
Cruz's character may spell trouble for Carrie (Parker). Clad in a sexy backless black dress, Cruz was spotted at the Empire Hotel earlier this week filming a scene in which she gets a little too close to Mr. Big, played by Chris Noth.
Minnelli, meanwhile, filmed for three days on the Manhattan-based set. When she wrapped, she broke into a rendition of "Every Time I Say Goodbye" for the cast and crew.
"A total hush fell over the set. You could have heard a pin drop, it was such a moving moment," says an on-set source. "Everyone had goose bumps, tears. It was a really lovely parting gift she felt like giving everyone."
And Lewis returns as Hollywood It Boy Smith Jerrod, who will be celebrating the opening of his latest blockbuster alongside his former flame Samantha. The actor was just spotted filming scenes earlier in the week in New York City.
The movie is due to hit theaters next summer.
