Look, there's nothing like showing up to the party with your BFF, aka best fashion friend, by your side. But any girl with a sister will tell you that the bond between siblings is a true force to be reckoned with, and the moments we've rounded up ahead are solid proof.
From celebrity weddings to red carpets, we encountered a handful of stylish, heartwarming moments in 2014 that we pinned on Pinterest and liked on Instagram. Don't even lie; you've totally sent a photo of Poppy and Cara Delevingne to your sis with the message, "Look, it's us!" And if you haven't, you will right now. Keep reading to find the 13 times our favorite sisters had each other's backs, and we don't just mean sartorially speaking.