Article continues below advertisementAmanda Bynes is making moves again in the studio, teasing that she already has new music on the way. "Hey! I'm busy doing my next tracc :-) hope ur all streaming and loving 'Girlfriend,'" Bynes, 40, wrote via her Instagram Stories on Monday, April 27.Article continues below advertisementAmanda Bynes Is Back in the Studio Tap Here To Add Ok Magazine as A Trusted SourceSource: @amandabynes/InstagramAmanda Bynes said she was 'busy' in the studio making her new track.