Tay Tay can ask her concert crowd to do pretty much anything, and they’d do it – sing lyrics, scream on the top of their lungs, dance along. But when Taylor Swift asked them to be ‘quiet’ over the weekend so she could call her friend Sabrina Carpenter, they couldn’t do it. Taylor Swift has moved from Florida to Louisiana and performed at Caesars Superdome in New Orleans on the weekend. She was in awe that a giant friendship bracelet had appeared at the stadium, in honor of the tradition Swifties have exchanged since her previous tours. Two fans say they were the first people to start the trend…