I have changed my e-mail address on my Facebook account, but my Spotify still uses my old one. Is there any way that I can manually change the e-mail address on my Spotify account, even though it was created through Facebook?
Does loggging out and back in help with the email address updating? If not, make sure that Spotify has permission to see your email address. Just go to Facebook settings > Apps > Spotify > Make sure "Email address" is checked off.