Jourdan Dunn, Karlie Kloss, Rosie Huntington-Whiteley and Lottie Moss also turned out for the very stylish event.
There were skeletons, a sexy baby and even a pair of Rick Owens human backpacks.
The 16-year-old is the Waterhouse family's latest pretty face to watch.
Get ready for the modeling world's next big sister act.
With a little help from Ellen von Unwerth.
And Macy's posts worse-than-expected annual earnings estimates.