Attention, millennials — dreams are coming true! On Saturday, October 5, Anne Hathaway took to Instagram to announce that she will return as the iconic character of Mia Thermopolis in the upcoming third installment of the 2001 smash The Princess Diaries. “Miracles happen ✨👑 Back to Genovia with @adeleblim @disney @somewherepictures. The fairy tale continues ❤️🔥,” the A-lister captioned the video of herself counting down to three with her fingers along with the announcement of the highly anticipated project to the tune of the film’s signature song by Myra. “I’m seated. quite frankly I’ve never…