I haven't seen the film yet, but from the stills and clips I've seen, both women look so badly suited for their roles. Every picture I've seen, Cynthia looks like a stern, middle aged woman, trying to look profound and dignified, as if she's posing for her biography cover.
Elphaba is awkward, emotionally disregulated, and is the victim of a plot of more powerful people. Her actress needs a sense of humour and the ability to show emotion and uncertainty.
Ariana looks like her whole brief was "be beautiful". She pulls faces like a mix of blow up doll and Ballerina Barbie. She never looks like she is feeling a real emotion, or in the moment
She looks like she's just thinking about how beautiful she is. Not to mention, her style is all wrong: she looks modern, like an IG influencer, in a way that will look dated in 5 years. Galinda should look fairytale, not 2024.
Both of them look like they make it all about them, rather than be real actors and put the character first.
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They ought to have given her a darker, golden blonde like Galinda has in the old Wizard of Oz film. That would go with her colouring better.
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Look at this photo again, and think of the girlfriends in Alvin and the Chipmunks.