You have found a grave-faced Galadriel in her garden, by her Mirror, awaiting you.
You should approach Galadriel.
Galadriel has stepped up to her Mirror and looks ready to gaze into it.
Galadriel is gazing into her Mirror. Stand by her and she will relate all that she sees.
Galadriel seems to have seen all that she will see in the Mirror, tonight, and is ready to talk with you.