[Rita Ora, Cara Delevingne via @Ritaora]

Cara Delevingne and Rita Ora officially solidified their BFF status by posing together in an upcoming Rankin shoot. Ora shared a sneak-peak photo with her Twitter followers, tweeting, "No words. From one bad bitch to another. Thank you RANKIN....more comin hehehe." In honor of the pair's budding friendship, which has been well-documented by both ladies via Instagram and Twitter, we've rounded up some of our other favorite fashionable duos who have also become fast friends. Click through to see the famous BFFs who made the list.