Unfortunately, there is no EXPRESS Lane for personalized autographed pics. If she was in a show you could stage door, otherwise you have to send a pic care of the theatre she's working at or her management and there is no guarantees when or if you'll get it back. It's a sweet idea though. He could always try to get one and surprise her later.
"The sexual energy between the mother and son really concerns me!"-random woman behind me at Next to Normal
"I want to meet him after and bang him!"-random woman who exposed her breasts at Rock of Ages, referring to James Carpinello