Trivia: Emma Mackey was partly cast as she and Margot Robbie are often confused for each other. Greta Gerwig wanted to make a joke about that fact in the film, but once they were both dressed up as their respective characters they didn't look like each other much, so the idea was scrapped.
Trivia: Mermaid Barbie was originally going to be Denise Richards, but she had to drop out. Dua Lipa replaced her.
Trivia: The opening of the film is a direct nod to 2001: A Space Odyssey.
Trivia: Ruth Handler (Rhea Perlman), co-founder of Mattel and creator of Barbie, did indeed faced tax issues. In 1978 she was accused of evading $1.5 million in taxes by hiding money in Swiss bank accounts and using shell corporations. In 1979, she pled guilty to tax evasion.
Trivia: The studio wanted the scene on the bench to be cut, arguing it had no impact on the story as a whole. Greta Gerwig refused, saying "If I cut the scene, I don't know what this movie is about".
Trivia: "I'm Just Ken" was mostly put together as a joke by Mark Ronson, but Greta Gerwig liked the song so much she wanted it included. When Ryan Gosling heard it he pushed for it to be a full blown song and dance routine. Mark Ronson's said how much Ryan Gosling's performance added to the original idea.
Trivia: Gloria's husband is played by America Ferrera's actual husband, Ryan Piers Williams.
Trivia: Gal Gadot was the first choice to play the role of Barbie. In fact she was Margot Robbie's first choice, as Robbie is a producer of the film, but Gadot was unavailable.
Trivia: This is the first film directed solely by a woman to earn $1 billion at the global box office. Other films with female directors to have earned $1 billion, such as Frozen or Captain Marvel, had a male co-director.
Trivia: When Barbie is waving to her friends, if you look closely, you can see the tin man from The Wizard Of Oz. (00:06:44)
