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."

See the first photos of Emily Blunt return in character as Emily Charlton opposite Anne Hathaway and Meryl Streep in 'The Devil Wears Prada 2.'