I think the next album will do great.
The next one that will be the beginning of the end.
Ehh, none of us can predict the future but I see the same thing happening to him that happened to Miley. Adults don't like Justin Bieber and won't even give his music a chance or purchase a "justin bieber" album. And the tweens/teens will a) move on to someone new b) grow up and no longer find it cool to be a justin bieber fan.