
The Biggest Fan, also known as Lamás fan, is a 2025 Mexican comedy-drama that premiered on 1st May, 2025, and is currently streaming on Netflix.
The film was written by Maria Torres and Enrique Vázquez and directed by Maria Torres. The movie has a running time of 1 hour and 32 minutes. It is rated 16+ because it contains adult language.

The Premise
Lana Cruz, beloved star of the hit show Special Crimes, accidentally slaps a fan who startled her from behind. The incident sparks a social media uproar, leading to widespread backlash and ultimately the show’s cancellation after seven seasons.
A year later, Lana receives a job offer from an art house to star in a film set to be shot in a remote Mexican village for eight weeks. Torn, she initially declines, unwilling to miss her daughter Greta’s graduation. However, her agent insists she take the opportunity, reminding her that no other offers are currently on the table.
On set in Mexico, Lana refuses to take the job seriously, constantly arguing with co-stars about who deserves top billing. She then meets Polly, an overly enthusiastic superfan who’s savvy with social media. Realising Polly could help fix her image, Lana decides to hire her as an assistant — not out of kindness, but as another calculated move to rebuild her career.
The film tries to explore the uneasy relationship between celebrities and fans per se in this era of social media, where one moment can either make or break a person’s image.

Cast and Performances
Kate del Castillo as Lana Cruz
Lana is a poorly fleshed-out celebrity whose life is filled with ups and downs and emotional moments immersed with serious issues — she doesn’t like her mother, she’s having trouble with fame, but the movie never builds out any of these issues. Instead, we just sit back and watch as Lana gets shuttled from scene to scene.
Kate del Castillo does her best, but she has little to work with. I wanted to see Lana’s hurt, her suffering, her guilt, etc. There would be no redemption there, no growth. Her performance carries a knowing wink to the audience, layering her character’s fall from grace with just enough real-world resonance to feel genuine. Her performance was satisfactory.

Diana Bovio as Polly Melgar
Polly introduces herself as Lana’s number-one fan, and while her enthusiasm seems harmless at first, it doesn’t take long before her behaviour begins to border obsessive.
Her relentless cheerfulness and unfiltered admiration clashes with Lana’s cynical and guarded demeanour, setting the stage for a series of comedic misadventures. Polly is the film’s comedic powerhouse, and Diana Bovio delivers a performance that is both ridiculous and endearing.
Dariana Delbouis as Greta Cruz
Greta is the only grounded character in the story, and she’s greatly underused. She played the daughter of Lana Cruz, whose mother neglects and concentrates on her movie pursuit. Her performance was outstanding.
Gabriel Nuncio as Aristóteles
Gabriel Nuncio, as the flamboyant director, gets a laugh or two, but the character does not go anywhere. His performance was relatively adequate.

What I Liked About The Biggest Fan
The odd-couple dynamic is the film’s beating heart—an opposites-attract formula, while familiar, is executed with charm and vitality thanks to the chemistry between the leads.
Lesson learnt
The movie helped educate me further on the difficulties celebrities face in the age of culture and social media scrutiny.

What Didn’t Work
Weak and underdeveloped plot and poor character development
The story was shallow and lacked depth, with lots of disjointed and scattered scenes. I feel the characters did their best with the script they were given. What’s especially frustrating is that The Biggest Fan actually has a kernel of a good idea here, but it was not properly represented.
Also, there’s an ongoing emotional thread woven through the film coming in the form of flashbacks to Lana’s childhood, which was completely missed. Honestly, I adore films about making films; it’s like peeking behind the curtain. But this Mexican film, The Biggest Fan, makes filmmaking itself appear to be a confusing and futile endeavour. The scenes on the set are meaningless to me, and I don’t really have any idea about what the film they were shooting inside the movie was about, and even Lana, the actress in the film, doesn’t know what this movie is about.
Wrong Message
The movie wrongly implies that if you really love your idols, you will just accept whatever they do and that you will approve the stars blindly. That is not just unrealistic but dangerous.

Final Thoughts
Overall, The Biggest Fan movie is something that you can leave playing in the background, as its comedy parts will make you laugh from time to time. It investigates ideas of celebrity, redemption, and the perils of obsessive fans. It is the kind of film that is best enjoyed with popcorn and low expectations, perfect for a carefree movie night.
Rating
I would rate The Biggest Fan 3 out of 5 stars.
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