There is so much to love about birthday girl and Chanel muse Keira Knightley, who turns 29 today. Whether she’s acting as the face of Coco Mademoiselle, starring in period films like Pride & Prejudice and Atonement, or flaunting her flawless style onscreen and off, the London native isn’t afraid to step outside the box. After all, the Jack Ryan: Shadow Recruit actress donned her wedding frock on three separate occasions, teaching us an important lesson in recycling our special occasion dresses: one can never go wrong with layering.

Looking for more style inspiration? From a cool-colored Mary Katrantzou fit-and-flare to a midriff-baring Roksanda Ilincic dress, see Keira Knightley’s most swoon-worthy red-carpet looks.