When photos of a drastically different looking Renee Zellweger attending the 2014 Elle Women in Hollywood Awards hit the Internet, her new face was all anyone could talk about.

We soon got to thinking about some of the more extreme face transformations we've seen from different celebs over the years, because Renee certainly wasn't the first of her peers to go under knife and she definitely won't be the last. From Lindsay Lohan to the many faces of Michael Jackson, at this point most of these celebs could probably pass for different people. We can't imagine the immense pressure celebrities must face to look perfect at all times, but these celebs could've stopped while they were ahead.

Check out the shocking before and after pics in the gallery above!