Natalie Portman Strips Down to Thong for 'Your Highness'

Natalie Portman strips down to her thong underwear in the red band trailer for her new movie, Your Highness.

The 29-year-old actress stars opposite James Franco, Danny McBride, Justin Theroux and Zooey Deschanel.

The movie is a tells the story of an arrogant, lazy prince and his more heroic brother who must complete a quest in order to save their father’s kingdom.

Your Highness will hit theaters on April 8, 2011.

FYI: Video may not be safe for work and has adult language!