Sunny blonde hair gives the twins a perfect summer glow.
The Olsen twins add a pop of color to their black and white outfits with patterned and bright colored clutches.
The twins don flowing, angelic dresses on the red carpet.
The twins love to pair starkly contrasting black and white in their outfits.
Black on black on black is the twins' high-fashion motto.
Sunglasses inside? The Olsen twins can get away with breaking any style rule they'd like because they still look fabulous.
The twins haven't stopped matching! Their twin purses are as cute as can be.
The twins have never let go of their most iconic look: flowing loose-fitted dresses.
The twins rock chic black sunglasses to complement their all-black outfits.
Who can wear sunglasses inside and get away with it? Mary-Kate and Ashley can wear sunglasses inside and get away with it.
The twins look more grown up than ever with fully developed and sophisticated personal style.
The twins have lost their indoor sunglasses look, but have returned to their go-to: all-black!
At an Estee Lauder event, sporting bags of their own design.
Posing on the CFDA red carpet, just before winning their awards for Accessories Designers of the year.
Posing in casual attire at the Elizabeth and James fragrance launch event.
Looking ultra-chic in Paris.
Mary-Kate cozies up to fiancee Olivier Sarkozy.
Ashley takes Olivier's usual spot at the game.
Looking regal at the Met Gala.
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Move aside, Super Bowl commercials -- we're envisioning an epic Full House reunion is on the horizon! According to Us Weekly, Mary-Kate Olsen is engaged to Olivier Sarkozy, and will soon become a stepmother! Mary-Kate, 27, and Olivier, 44, currently live together in a $6 million townhouse in New York City.
The couple started dating in 2012 and are frequently spotted together at Knicks games in Madison Square Garden. We can't wait to see Mary-Kate's wedding gown -- and of course the bridesmaids dresses! Ashley will most likely be Maid of Honor, right..? And their (equally chic) sister Elizabeth is bound to be a bridesmaid.
We're betting on Mary-Kate and Ashley collaborating on a unique dress just for the bride-to-be. A major perk of being a fashion designer, don't you think?
This is Mary-Kate's first marriage and Olivier's second -- his two children from his previous marriage are aged 10 and 12.
Click through the gallery above to see Mary-Kate and Ashley's style through the years!
Seriously stunning wedding dresses from the fall 2014 bridal shows