9) Renee Zellweger

Renee Zellweger's transformation into Bridget Jones's Diary in 2001 included gaining over 30 pounds, allowing her to act like the iconic character. Zellweger dieted from fatty foods and sweets but maintained that she regained her original figure only months after dieting and maintaining regular fitness. For Judy (2019), she wore prosthetics and had intense vocal training. Zellweger's transformations for each of her roles illustrate how she prioritized authenticity over the ideals set by Hollywood, which further solidified her legacy as a fearless actress.
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Edited by Abhimanyu Sharma