Does anyone else feel like the Hadid sisters kind of appeared out of nowhere? One day, I had never heard of them. The next day, they're dating super famous guys and walking major runways and hanging out with Kendall Jenner. And just last week, they had some of the most talked about outfits at the Met Gala. You can't really avoid their names these days.
But just how much do you know about the sisters? For one thing, do you know which one is Bella and which one is Gigi? How about some tougher trivia about them? Take our quiz to test your knowledge!