Sadly having her wear a sun dress did not unlock "large mode Elsa" for me
https://gamefaqs.gamespot.com/a/forum/3/3af9aef0.jpg
https://gamefaqs.gamespot.com/a/forum/0/0bf4c53d.jpg
This one was the closest
https://gamefaqs.gamespot.com/a/forum/3/3d92ee0b.jpg
The AI did add "large mode" Anna to one of the pictures though
https://gamefaqs.gamespot.com/a/forum/e/ecf3c1fa.jpg
man - noun. A miserable pile of secrets.
EXAMPLE: What is a man? A miserable little pile of secrets. But enough talk, HAVE AT YOU!