Videos - The Oscars 2015 - 87th Academy Awards - February 22

To portray prostitute-turned-serial-killer Aileen Wuornos in Monster, Charlize Theron underwent an incredible make-under that left her unrecognizable, gaining 30 pounds and wearing prosthetic dentures, contact lenses and makeup.
<p>Photo: © Getty/Newmarket Films</p>

15 Oscar-worthy transformations: Charlize, Eddie, Nicole and more

Rita Ora, Gigi Hadid and Heidi Klum dare to bare in risqué dresses for Oscars after-parties

A-list celebrities attending their first Oscars