"Barb and Star Go to Vista Del Mar" was primarily filmed in various locations in and around the city of Palm Springs, California. The production utilized the scenic desert backdrop and vibrant landscapes to create the film's whimsical and colorful atmosphere. Key locations included the Palm Springs area, which provided the sunny beach vibes central to the story, showcasing the charm of a fictional coastal town.

In "Barb and Star Go to Vista Del Mar," the villain, Sharon Gordon Fisherman, is played by Kristen Wiig. She portrays a quirky and humorous antagonist who has a plan to take revenge on the town of Vista Del Mar. The movie, which features Wiig in dual roles as both Sharon and one of the main characters, Barb, showcases her comedic talent and versatility. The film, co-written by Wiig and Annie Mumolo, combines elements of comedy and adventure as Barb and Star embark on an unexpected vacation.

As of my last update, "Barb and Star Go to Vista Del Mar" is not available for streaming on Amazon Prime Video. However, it can typically be rented or purchased through platforms like Amazon, iTunes, and Google Play. Availability may change over time, so it's always a good idea to check the latest listings on these platforms for the most current information.

Yes, Kristen Wiig plays two roles in "Barb and Star Go to Vista Del Mar." She portrays the main character, Star, and also takes on the role of the film's antagonist, Sharon Gordon Fisherman. This dual performance showcases Wiig's comedic talent, as she navigates the contrasting personalities of the sweet and quirky Star and the villainous Sharon. The film, released in 2021, is a comedy that follows two lifelong friends on a vacation adventure filled with humor and unexpected twists.