Dive into the world of comedic love triangles with this curated list of films that focus on the humorous side of having a mistress. These movies offer a blend of romance, laughter, and often, a touch of chaos, providing a light-hearted look at complex relationships. Whether it's the awkward situations, the comedic timing, or the clever writing, these films are sure to entertain anyone looking for a good laugh about love's complications.

How to Lose a Guy in 10 Days (2003)
Description: A woman tries to drive a man away by being overly clingy, while he tries to make her fall in love with him, creating a comedic love triangle.
Fact: The film was based on a book of the same name, which was a parody of women's magazines.


The Heartbreak Kid (2007)
Description: A man marries a woman after a whirlwind romance, only to realize on their honeymoon that she's not who he thought she was, leading to a comedic search for a new love interest.
Fact: This is a remake of the 1972 film of the same name, directed by Elaine May.


Hall Pass (2011)
Description: Two married men are given a week off from marriage to do whatever they want, leading to humorous encounters with other women, including potential mistresses.
Fact: The film was directed by the Farrelly brothers, known for their slapstick comedy style.


She's Out of My League (2010)
Description: While not strictly about a mistress, the film explores the comedic dynamics of an unlikely couple, where the girlfriend's ex plays a significant role, adding to the comedic tension.
Fact: The film was inspired by a real-life relationship of one of the screenwriters.


The Proposal (2009)
Description: A high-powered book editor fakes an engagement with her assistant to avoid deportation, leading to funny situations involving his family and ex-girlfriend.
Fact: Sandra Bullock was initially hesitant to star in the film due to its romantic comedy genre.


The Ugly Truth (2009)
Description: A rom-com where a TV producer and a chauvinistic correspondent clash over love advice, leading to humorous situations involving potential love interests.
Fact: The film was initially titled "The Ugly Truth About Men."


The Back-up Plan (2010)
Description: A woman decides to have a child through artificial insemination but meets the man of her dreams the same day, leading to funny situations involving her potential "back-up" plan.
Fact: Jennifer Lopez, who stars in the film, was pregnant with twins during filming.


No Strings Attached (2011)
Description: While not about a mistress per se, it explores the comedic side of a friends-with-benefits relationship, which often involves navigating other romantic entanglements.
Fact: The film was originally titled "F*ckbuddies" before being renamed for a broader audience appeal.


Just Go with It (2011)
Description: A plastic surgeon uses a fake wedding ring to pick up women, but when he meets someone special, he recruits his assistant to pose as his soon-to-be-ex-wife, leading to comedic chaos.
Fact: The film is a remake of the 1969 film "Cactus Flower."


The Other Woman (2014)
Description: This film follows three women who bond over their shared betrayal by the same man, leading to a comedic revenge plot. It's a perfect fit for this list due to its focus on the humorous aspects of being a mistress.
Fact: The film was originally titled "The Bitch" during its early stages of development.
