According to the cosplayer, this a combination of the classic Disney villainess and the newer Angelina Jolie version.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/7168480@N02">greyloch</a> from Washington, DC, area, U.S.A.
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/greyloch/14604363540/">Maleficent</a>