Sienna Miller and Lucas Zwirner

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There’s no denying that Sienna Miller is a gorgeous actress. Everything from her pretty eyes to her blond hair screams perfection, and yet, her boyfriend turned fiancé, Lucas Zwirner, wasn’t lucky enough to go as far as to take her hand in marriage.

Well, who could really blame them, seeing as they rushed into an engagement within a year of knowing each other? Nevertheless, the two shared a special bond and were very much in love during their year of togetherness, as an insider told US Weekly. Lately, the 39-year-old has been busy filming Anatomy of a Scandal while also raising her daughter.