Their Posse
Karlie's klique features everyone from Princess Beatrice and Serena Williams to Jourdan Dunn and Derek Blasberg. Though she has been mysteriously excluded from Taylor Swift's #girlsquad as of late, the two used to be besties. Karlie's A-list elbow-rubbing has even included billionaire David Geffen and Paul McCartney. She's a social butterfly!
[Photo via @davidgeffen]