My Ex-Ex was filmed in Toronto in Canada.
Fraternity house ΑΩΩΕ
In movie
Scene where Mary goes to a frat party at Patrick's invitation and Sandra comes by to keep an eye on her and ends up having a threesome with Nathan and Rob.
Real
Scene was shot Built in 1898 by the architects Gordon & Helliwell. Currently the home of Phi Kappa Sigma.
Toronto
Plaza
In movie
Scene where Mary runs into Ted who is out with his new girlfriend Natasha.
Real
Record Store
In movie
Scene where Mary is out with Sandra as she shops when Patrick spies her through the window and comes in to say hello.
Real
Psychic Mona Lisa's Shop
In movie
Scene where Becky and Sandra take Mary to a psychic to look into her future and she returns here when things take an unexpected turn.
Real
Gaston's
In movie
Scene where Ted takes Mary to a fancy restaurant and breaks up with her. Later he returns to break up with Natasha and after that Mary returns to break up with Patrick.
Real
The Pilot
In movie
Scene where Mary tells Sandra and Becky about her upcoming dinner with Ted.
Real
Gym
In movie
Scene where Patrick goes to the gym during his training montage.
Real
Patrick's Work
In movie
Scene where Patrick is looking at porn at his office when his father, who is also his boss, comes to talk to him about being more professional. Later, after Patrick fails his life insurance test, Mr. Nelson fires Patrick.