Christian Bale and John David Washington hold on tight to Margot Robbie (as she takes a tumble)

Margot Robbie Shows Off Sexy Dark Hair Makeover: See Before & After Pics

Margot Robbie Looks Unrecognizable With Jet Black Hair on the Set of Her New Movie

Margot Robbie and Robert De Niro join forces on the set of David O. Russell's untitled new film