Page Six may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. Ever wonder what your favorite celebrities buy when they’re browsing their favorite boutique or shopping online late at night? Welcome to Six Picks, where we ask stars to spill their style and beauty must-haves — so you can shop like you’re famous, too. When it comes to making it in journalism, Katie Couric literally wrote the book on it. Over a decade after becoming the first woman to solo anchor a network evening newscast, she’s running her own media company, newsletter and podcast — plus, a…