When ‘The Devil Wears Prada 2’ began filming, the return of Meryl Streep, Anne Hathaway, Emily Blunt, and Stanley Tucci was enough to send the fashion world into a nostalgic frenzy. However, now, the internet is in full-blown speculation mode after Sydney Sweeney was spotted near the set.

Here's why fans are buzzing with the idea that Sydney Sweeney might be making a cameo in "Devil Wears Prada 2."

Hathaway nailed the all-white look in a Phoebe Philo t-shirt featuring a train with Nili Lotan pants, and Prada pumps. She wore the vintage Coach briefcase with it, as well as the Barton Perreira sunglasses, and jewelry from Jemma Wynne and Natasha Schweizer.