Keira Knightley looks a little bit different before and after her nose job. The plastic surgery subtly decreased the tip and bridge size of her nose. It's hard to see the change the rhinoplasty made on her nose. So, you'll have to look closely at the before and after pictures. See how the tip of her nose looks smaller and more refined in the after photo? It's a very subtle change and was done very well by the plastic surgeon.