The brands have reached their second settlement in recent years.
Los Angeles-based Mizrahi counts Katy Perry, Nicole Richie and Riley Keough as clients. Her first Juicy collection hits stores in spring 2018.
The New York-based division will court U.S. and European brands with global potential.
Global Brands Group has taken over the wholesale distribution for most of Europe, while Folli Follie Group has the rights for Greece, Cyprus, Romania and Bulgaria.
Juicy Couture is quitting the British high street, while Marks & Spencer will close six locations.
The German company is continuing its habit of going after alleged copycats whenever it finds them.
The collection will go into 70 Urban Outfitters stores across the U.S. and Canada.
The brand makes its debut on the app, which will feature 20 items from the Juicy Couture Black Label collection.