1. Follow Leandra Medine. AKA the Man Repeller. She'll show you what she'd wear (which is kind of everything, but in the best way). Not only is she witty and smart, she has a sharp eye and does not hold back. @manrepeller
2. Follow your favorite designers that actually post things (other than glossy magazine ad shots) on Instagram, like Creatures of the Wind @creaturesofthewind or Maison Martin Margiela @maisonmargiela or BCBG MAXAZRIA @bcbgmaxazria or Mara Hoffman @marahoffman. Don't waste time searching for them on Instagram--just go here, click on the designer for profiles and official social links.
3. Follow Mercedes Benz Fashion Week @mbfashionweek because, well, they have a vested interested to show you everything.
4. Follow Solange Knowles @saintrecords Just because.