6: The trampoline.
Yet its also a concert that shows, beyond a shadow of a doubt, that Bieber is back.
The only one who doesnt seem to necessarily believe that is Bieber himself.

Credit: Kevin Mazur/WireImage
But how do I get to that conclusion?
Well, bear with me as I lay out the 10 wildest momentsPurposepatrons will witness.
Hes on display, an exhibit of scrutiny and dissection.
If any good concert is a party, Bieber strives to infuse some solid line-dancing into this Bieb mitzvah.
A return to … grunge?
You wont find the garish, shocking ensembles of a Vegas residency here.
Ive had a couple rough years, he admits before the remorseful but defiant anthem.
Love Yourself
Theres little doubt what the most beloved tune fromPurposeis, charts and radio play be damned.
Between bouts of candid emotionality, the kid still lets loose for the fans sake and his own.
After all, heres an artist whos topped more than a few charts in his seven-year professional career.
Until that antepenultimate betrayal of joy, there was an unflinching seriousness that characterized his demeanor.
Did he look scared to death?
Should he have smiled more, even at the risk of uncouth grinning?
In truth, the key to restoring that jubilance is all in the hands of the Beliebers.
WE NEVER LEFT, a thousand signs said tonight, as perhaps they have said for years.