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.

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

Sydney Sweeney appears to have some involvement in The Devil Wears Prada 2. Sweeney, 27, was reportedly spotted on the set of the sequel in New York City on Wednesday, August 6. Anne Hathaway, Meryl Streep,