Natalie Portman: Sheer 'Untitled Malick Project' Filming!

Natalie Portman keeps it fierce in a sheer top while filming scenes for her upcoming Untitled Terrence Malick Project on Saturday (October 20) in Austin, Tex.

The 31-year-old actress was joined on set by her co-star Michael Fassbender.

PHOTOS: Check out the latest pics of Natalie Portman

Natalie‘s co-star Benicio Del Toro was seen hanging out on set during his break and her husband Benjamin Millepied watched her work while holding their son, Aleph.

The day before, Natalie was spotted walking around set with wet hair while her co-star Ryan Gosling filmed scenes with Cate Blanchett.

30+ pictures inside of Natalie Portman filming scenes in a sheer top…