WRITE TO ALLY
1511 SAWTELLE BLVD. #105
LOS ANGELES, CA 90025
USA
7920 SUNSET BLVD. #400
LOS ANGELES, CA 90069
USA
A note about fan mail: I suggest using the first address. I've written to Ally at that location and received a response from her, an autographed photo and a letter. I don't have any insight on the second address.
Good Luck!!!