Found a hidden 'A' in the orange grove bushes
http://s961.photobucket.com/user/oakstorm85/media/053_zpsfa1e97cd.jpg.html?filters[user]=138114823&filters[recent]=1&sort=1&o=0
I looks like an 'A' in the bushes behind emma stone when she's making a deal with the guy in the orange grove.
Creepy.