Read her note.
Last month, a source told E! News the new music is expected to drop "by the end of the year."
"She writes her own material and she's been through a lot with her marriage and her illness," they explained. "She has a lot to say."
Avril has been pretty active on Instagram this past week. She shared a bunch of in-studio snaps working on the new tunes, including a few shots with her new boo/producer, JR Rotem. Check them out below: