Is the Autumn Dance Princess Twilight Sparkle?

Yes The character in the comic book Pony Polly by Confucius. According to the story of the comic "Pony Polly", with the help of friends, Twilight Sparkle also successfully won the title of Autumn Dance Princess and regained the crown. Finally, she also returned to her original world through the door, so the autumn dance princess is Twilight Sparkle.