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Even back in her early Friends days, the girl otherwise known as Rachel Green favored simple white slipdresses. Meanwhile, Lisa Kudrow—in true Phoebe Buffay form—lived a little more colorfully.

When she was one-half of Hollywood's ultimate power couple, Jennifer stood by her beau Brad Pitt in an array of lacy, wispy white dresses. Sure, that scarf's a little '90s, but the rest of this ensemble (it's vintage Dior!) would still work today.

I mean, she's wearing a long white dress with a floral toile pattern. If that doesn't scream "shabby chic nuptials," I'm not sure what does.

Long after Friends' final episode had aired, Jennifer continued to shine on the red carpet—often on Brad's arm. Here she is in a stunning Atelier Versace gown at the 2004 Cannes Film Festival.

At the 33rd Annual People's Choice Awards, where she picked up the Favorite Female Movie Star statuette, Jen went for another Versace look—this time short and cream-toned.

For the London premiere of her film Horrible Bosses, Jen paired a shimmering Valentino dress with white satin Tom Ford heels. So pretty.

And at the New York premiere of Derailed, she went for a beautiful beaded Chanel in the same hue.

OK, so this one's beige rather than white or ivory, but the Grecian-style Donna Karan gown Jen picked for the NYC premiere of The Bounty Hunter was flat-out beautiful.

A white-and-silver Valentino gown, worn to the 2009 Oscars, could also easily be worn to a weeding.

If there's one thing this superstar is, it's loyal to her favorite designers. In yet another Valentino dress, this time one-shouldered and knee-length, Jennifer promoted her namesake fragrance in Mexico.

Can you believe this girl is 43? In slit-up-to-there Burberry Prorsum, Jen once again wore her favorite color to the AFI Life Achievement Awards back in June.

We saved the best for last, of course. We firmly believe Jennifer's never looked better than she did at the 2004 Emmys, where she wore this spectacular beaded strapless Chanel gown. Hell, we'd be thrilled to wear this to our wedding.