Vince Gill's wife, Christian singer Amy Grant, was noticeably absent Monday, as he was honored at the taping of CMT Giants: Vince Gill, because she's still recovering from a July bike accident that sent her to the hospital. Her husband, however, gave a happy update on her condition. "She's doing great," Gill told *ET *on the red carpet. "She's pretty torn up that she couldn't be here tonight but with her accident and all of that, they kind of deemed that the best thin...