She said she will take the name Laura Jane Grace and remain married to her wife Heather. She says, understandably, that the "most terrifying part" was wondering how Heather would accept the news. "But she's been super-amazing and understanding," Laura relates.
As far as I know, no other rock star has come out as transgendered. She is making a point of speaking openly about her identity and transition. "I'm going to have embarrassing moments," she says, "and that won't be fun." But, she says, as she speaks out, "I'm hoping people will understand and hoping they'll be fairly kind."