Demi Lovato/Nick Jonas

Teens and tweens will like likely flock to this double bill featuring pop singers Demi Lovato and Nick Jonas, who have joined up for Future Now: The Tour, a co-headlining jaunt that kicked off earlier this summer. Lovato will be playing in support of her new album Confident. Jonas is still touring in support of last year's self-titled debut that yielded radio hits such as “Jealous” and “Chains.” His latest single, “Levels,” has already amassed over 12 million views on YouTube. (Niesel)