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Jennifer Aniston, SAG Awards

Jordan Strauss/Invision/AP

Happy 47th birthday, Jennifer Aniston

Hard to believe, right? The glowing actress has (and always will be) known for her classic Hollywood glam, but it's hard not to notice the talented actress has really vamped up her red carpet looks since finding happily ever after with Justin Theroux back in 2011 and tying the knot last year

Case in point: Jen's plunging gold and black gown at the 2015 SAG Awards came as one of many welcome changes to fans more accustomed with her generally simple aesthetic of little black dresses and strappy sandals. 

Jennifer Aniston

Fotonoticias/Getty Images

While Aniston has stayed relatively true to the girl-next-door image made famous by her role on Friends, recent years have seen the birthday girl transition to bolder prints and trendier accessories. 

So what's the catalyst behind Jen stepping out of her comfort zone? It's hard to know for sure, but when you have a man who gushes about you as much as Justin does, it can't be hard to find that boost of confidence!

Take a look at Aniston's timeless style throughout the years in the gallery below.