Major makeover alert!
This year, a ton of celebs totally transformed their looks -- whether it was through weight loss, a haircut or some extreme plastic surgery (Courtney Stodden, we're looking at you!).
From Christina Aguilera's serious slim down to Jennifer Lawrence (and almost every other major star) chopping off her long locks, check out the people who are almost totally unrecognizable thanks to their actions in 2013.
And yes, that even includes the one and only Miley Cyrus.
Check out all of crazy, unbelievable transformations in the gallery above.
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