Physical transformations are all too common in an industry like showbiz, where reinvention is practically a job requirement. But every so often, a star reemerges looking so different from the version fans remember seeing on screens and in magazines that the internet is left doing a double-take. Whether it's a dramatic weight shift, an unexpected style experiment, or simply the result of years spent away from cameras, an evolution in celebrity looks is always fodder for online chatter. In numerous instances, these conversations tie in with discussions surrounding the pressures of celebrity life and the constant scrutiny public figures have to live under.

Celebs like Zac Efron and Mickey Rourke, for instance, have faced an onslaught of speculation around possible plastic surgeries, though t

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