See 19 of Jennifer Aniston's Most Iconic Looks In Honor Of Her Birthday

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After landing her breakout role as Rachel Green on Friends, Jennifer Aniston took the lead as America's sweetheart. [{ "selector": ".taobj-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

She has starred in a slew of big-screen hits and graced countless best-dressed lists. [{ "selector": ".eeicg-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

While she's known for her classic little black dresses, Jen knows what works for her and has always wowed on the red carpet with form fitting silhouettes and sexy heels. [{ "selector": ".jgobm-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

Clearly, her style is only getting better with age. Below, Jen's best looks in honor of her 54th birthday. [{ "selector": ".iwqwo-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

In Dior Haute Couture at the Golden Globes. [{ "selector": ".dsipp-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

In Chanel at the Chanel Dinner Celebrating Our Majestic Oceans, A Benefit For NRDC. [{ "selector": ".zaomi-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

In Versace at the 2017 Vanity Fair Oscar Party. [{ "selector": ".gikme-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]

In Roberto Cavalli at the premiere of Paramount Pictures Office Christmas Party at Regency Village Theatre. [{ "selector": ".spndq-a", "duration": "250ms", "fill": "forwards", "delay": "100ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": "100%"} ] }]