Rumorville: UPDATE:  Marcil has since tweeted that she did not mean to imply she would be returning to GH for the Nurses Ball.

Speculation
is swirling is that
Vanessa Marcil
(Brenda) may make an appearance on GH, after she shared this Instagram pic and message.  Some say it looks like one of GH's dressing rooms, but who knows? You can read the comments beneath her pic and make your own guess..