Let the sobfest commence!
No, this isn't another trailer for The Fault in Our Stars, though that would definitely cause seriously waterworks, this video is of Shailene Woodley, the star of that aforementioned book-turned-movie getting her hair chopped off for the role of cancer patient Hazel Grace.
Of course, we already knew about the haircut, since the 22-year-old debuted the pixie cut last August. And while she's been very happy about the results—gushing about her chin-length crop for months—the haircut itself was very emotional. The clip above shows that the star actually broke into real tears during the process.