TODAY 8a: Behind-the-Scenes look at Janet Jackson’s tour. First look at aquafarming. Reba McEntire in Studio 1A.

Sheinelle not only gets a behind-the-scenes look at Janet Jackson’s new tour, but also joins the icon on stage as a back-up dancer. Plus, Al has an exclusive first look at aquafarming, a new way Americans can eat sustainable meals. And, Carson chats with Reba on her empowering new book and joining “The Voice” as a “mega mentor.”