Today, we've got two more for you: "I Wanna Go" and Inside Out."
The former, which was produced by her Baby One More Time collaborator Max Martin and Shellback, who worked on "If U Seek Amy," can be heard right here:
What do you think of Britney's new stuff? Some are calling it her best in years, while others think it's generic pop drivel only getting airplay based on her name.
After hearing these two tracks, we're somewhere in between.
Follow the jump to listen to "Inside Out," which has somewhat of a different sound to it, courtesy of Dr. Luke, Martin and Billboard. See what you think: