Whenever Britney Spears and David Letterman get together, something newsworthy eventually happens. So what should we expect from her Top Ten reading this evening?

In the past, Spears’ appearances have coincided with big moments in her life. During her May 2006 visit to Late Night (posted above), the pop star confirmed she was pregnant with her second child. The day after her November 2006 stop (you can see that clip after the jump), she filed for divorce from Kevin Federline.

It’s been almost three years now since Britney’s last chat with Dave—could she possibly have something new to offer us? You might want to set your Tivo just in case…