Designers from the biggest clothing brands scour flea markets and vintage stores for inspiration. In the process, the best of what’s old becomes new again.

For his latest album cycle, the rapper is embracing ’80s staples like enormous Cazal glasses and retro Converse high-tops.

How to shop the We Were Liars outfits from Cadence Sinclair to her mother Penny Sinclair and the rest of the family ...