The drummer broke the news by tweeting a link to a photo of Breana MCDow holding up a infant's knitted sweater.
Her caption read: So I went back and forth quite a bit before deciding to post this. But I thought, hell, it can't stay a secret forever, and I think I would rather like to be in charge of my own news.
"So... You know how basically everyone is pregnant? Well 21 weeks ago my body jumped on that band wagon and my a** is knocked UP, y'all! On Halloween a new monster is born."