Hair today, changed tomorrow! It’s only April, but plenty of major hair transformations have already taken place. From Nina Dobrev‘s bob debut to Allison Williams‘ platinum ambition, see the biggest hair makeovers of 2017 — so far! Marion Cotillard The naturally brunette Allied actress debuted her blonde locks in Italy on September 25. Credit: BACKGRID; Sylvain Lefevre/Getty Emilia Clarke The Game...