Kelly and Reba are good...Taylor Swift could be an Oscar voter... Kelly Clarkson and Reba McEntire are still close -- even though Kelly and Reba's former stepson, Brandon Blackstock, are divorced.They were friends before, they are friends now.Reba, who got divorced from Brandon's father in 2015, still considers Brandon her son, so she won't get involved in their split. Taylor Swift is among the 400 artists and executives invited to join the Academy of Motion Pictures Arts and Sciences. If…