A Rosie Assoulin dress for $50? Target’s collab magic might be working again

This weekend, Rosie Assoulin will do something she’s hasn’t done in 14 years of running her namesake label: sell a dress for under $50. The award-winning designer—a red-carpet favorite of Rihanna, Beyoncé, and Karlie Kloss for her sculptural silhouettes and joyful, saturated colors—is collaborating with Target on a collection of dresses, matching sets, handbags, and sandals. Collaborations are nothing new for Target. The retailer practically pioneered the high-low designer collab, spending the…