Meghan Trainor is clapping back at criticism of her 60-pound weight loss. The "All About That Bass" singer, 31, told Entertainment Tonight in an interview on Thursday, November 13, that her new song, "Still Don't Care," is a response to people scrutinizing her appearance. "'I'm literally, for the first time ever, after having babies, taking care of my health to the highest level. I've never felt better, and I look incredible. I feel great," Trainor said. "And that's when people attack me." She continued, "I was like, 'Wait a second. I'm taking care of myself.