Keira Knightly in King Arthur, which accurately depicted the conflict between Romans and Romano Britons with the raiding Caledones /Picts and invading Saxons.
Keira Knightley as Ginevra from the 2004 movie King Arthur. Celts often covered their naked bodies with blue paint. Female warriors strapped their breasts down actually joined their men in battle- a fact that left Roman soldiers flabbergasted!
Keira Knightley as Guinevere ready for battle. I think that the Picts could have gone to battle in very light armour such as these, but in the case of the women, the breast protectors would've wanted