^ I'd say it is definitely worth a shot to try for standing room - a line tends to form before they sell them, so if nothing else she'll be in line for when they do sell them. They will only sell them when they are completely sold out and generally there's about 12 spots but there could be less.
"Anybody that goes to the theater, I think we’re all misfits, so we ended up on stage or in the audience.” --- Patti LuPone.