Um well this is crazy!  Here's what we know...

“Ticket sales would be through the roof, and they desperately need the positive publicity after Justin’s bad-boy behavior and Selena’s stint in rehab,” dishes a source to Star magazine. But, not surprisingly, Sel’s inner circle is less than thrilled that she’s once again’ beliebin’ in her uncouth ex. “Everyone is worried sick for her well-being.”

Do you think it could happen? I'd be so worried for her, but I can't lie, I would totally go see them!