Keira Knightley Gets Beat Up in Domestic Violence PSA — Effective?

It's not her typical role, but Keira Knightly will star in a two-minute clip that depicts her being violently kicked and beaten by a man. The graphic spot will begin airing April 6. After the powerful images, the screen says: "two women die from domestic violence every week."

Do you think the powerful images will help save women's lives by bringing images of domestic violence out of the shadows?