Amal Clooney is 37! The London-based barrister, best known for her humanitarian efforts as a lawyer, specializing in international relations, became Mrs. George Clooney back in September, thrusting the accomplished activist into the public eye. It's no question that Clooney is incredibly admirable -- the Lebanese-British beauty has earned countless accolades through her career, even nabbing the title for Barbara Walters's coveted Most Fascinating Person of the Year. We at InStyle are also taking note of her flawless style, from off-duty looks to red carpet-worthy ensembles. Ahead, see our picks for Amal Clooney's most memorable outfits to date.