Kristen Stewart is a whole new woman.

Bella's vampiric powers are on full display in the latest trailer for "Twilight: Breaking Dawn - Part 2," which premiered at the 2012 MTV Video Music Awards this evening. Among Ms. Swann's impressively superhuman feats: tackling a cougar, diving off a massive cliff, executing an impressive high kick, and generally looking pretty dang determined to whoop some butt as her young daughter Renesmee (Mackenzie Foy) is threatened by the fearsome Volturi.

Check out all the bone-crunching action above and let us know what you think.

"The Twilight Saga: Breaking Dawn - Part 2" hits theaters on November 16.