Contrary to popular belief, Ash doesn't care much about her looks. She hasn't ever bothered to hit the gym to look good. She mostly wears the same kind of makeup and barely experiments unless it's Cannes where she is under the obligation to do it for the brand she's representing. She's actually not interested in dressing up or looking good.
In this phase of her life, she's more concerned about playing the best possible mom for her daughter and nothing else. Why would she care about learning how to use Instagram when it is least of her concerns. She doesn't have to do promotional posts to earn money like a lot of her colleagues.
She's lived a difficult life in the public life for over two decades, from a very very young age. I guess she just said f*ck it, I'll do what I want, whether it's my supposed fake smile or poker face.
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