Yes. I was watching videos of her soundchecks *for tour* and in one (I think it's this one, but I'm not sure:
link Someone asked her if she's going to have a third album. She said yes and that it will probably come out next year, sometime around fall (pretty sure that's what she said :)
I can't wait, I'm gonna buy it too :)
This answer is not originally mine. I took it from someone named LaLaLand off of Yahoo Answers. I haven't watch the youtube video yet, so I don't know how reliable the answer is. I just wasn't going to steal this person's answer. Plagerism is wrong. Anyway, hope this answered your question.