midi dress ivory Jarlo high neck structured A-line in This strapless design features a plunging sweetheart neckline that beautifully frames the décolletage Park Avenue Flutter Sleeve Side

The fact that Knightleys Atonement dress has frequently been referenced since then (including by London-based designer Nensi Dojaka, who reimagined the dress for Alexa Chung at the Serpentine Summer Party last year) suggests its more than earned its place in the fashion history canon.

As a result, it becomes a key piece in every professional wardrobe

While we love the pops of blue on this dress (aka, the perfect something blue for your wedding weekend!), this design also comes in other chic colors, like lilac purple and blush pink

We're headed to Reformation's 70% off sale to get some much needed retail therapy, and taking advantage of some insane deals while we're at it

ThredUp ThredUp is another fashion-centric online consignment shop where you can sell your bridesmaid dress