#HappyBirthday: 21 Instagrams For Cara Delevingne
Karlie Kloss isn't the only top model lighting 21 birthday candles on her cake this Summer. Sassy poser extraordinaire Cara Delevingne also hits the major milestone, and if her fully loaded Instagram account is any indication, we have a sneaking suspicion that there's some serious celebrating in store. So what better way to say "happy birthday" than with a look back at Cara's best social snaps. Let's take a stroll down memory lane, shall we?