Popsugar Fashion Red Carpet Sexy Stars Over 40 Charlize Theron Proves That 40 Is the New 20 in the Sexiest Way Possible August 7, 2015 by Randy Miller View On One Page Photo 1 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Charlize Theron at 39 (Now 40) Charlize proved that fashion can be fun at any age when she turned heads in this colorful minidress. Previous Next Start Slideshow Sandra BullockJennifer LopezCharlize TheronJennifer AnistonRed Carpet