Woooo-hooo!
Avril Lavigne officially announced she is coming back with new music!
She wrote a heartfelt open letter to her fans letting them know her new single will be out on September 19th.
She wrote "Thank you for waiting so patiently as I fought through and still continue to fight the battle of my lifetime."
'Head Above Water' is the first song she wrote from her bed during one of the scariest moments of her life.
After sharing behind-the-scenes footage of her upcoming music video, she tweeted "I can't wait for September!" and now we know why!