Paris Fashion Week just kicked off and soon we'll be drooling over Chanel's new It bag or watching Kendall Jenner kill it on the Givenchy catwalk. But before that, let's discuss Hood by Air. If you're not familiar, it's time to get involved. The boundary-pushing, Brooklyn label is a fave of music's most stylish peeps (think RiRi and A$AP Rocky) and posting a snap of one of their signature shirts will send your Insta likes into the stratosphere. Here's what went down at the SS15 show.