by Free Britney at . Comments

Not sure if she plans on wearing this to Iraq, but The Hills' Heidi Montag flaunted her curves in a Hervé Léger dress at the MTV Movie Awards.

Meanwhile, former MTV host and current Nick Lachey gal Vanessa Minnillo headed out on a date with her man in the same maroon minidress.

The question is simple ...

Who looks hotter, Heidi Montag or Vanessa Minnillo?