Sienna Miller is a faithful Alexa Chung fan, styling the fashion insider's collaborations with AG Jeans as early as 2015, Madewell in 2024, and Barbour in 2025. This winter, the roles are reversed, and Chung is following Miller's lead—at least in the casually cool coat department. Last week, Aligne ’s overwhelmingly popular George Coat (which flew off the shelves after it earned Miller’s endorsement last year) joined Chung’s winter wardrobe . And now, the London label’s best-seller is finally back in stock.

The George Coat, with its sharp shoulders and detachable belt, launched in 2024, but its claim to fame came in October 2025 when Miller wore the overcoat, turning the slightly oversized silhouette into the London girl go-to. Back then, she wore the navy blue option with a white tank top, well-loved denim, and high-vamp flats .

Before long, the robe-style wrap sold out—and garnered a waitlist of over 2,000 fans. Everyone wanted the Miller-approved piece—Chung included.

On Oct.…