Amanda Bynes returned to social media on Saturday with a positive update on her life after treatment.The actress, 34, said she was 'back on track and doing well', and revealed she would be going back to fashion school to obtain her bachelor's degree.Amanda revealed she had begun taking onlineclasses at the Fashion Institute Of Design and Merchandise, where she had been previously enrolled. 'Trying to get a 4.0 GPA': Amanda Bynes has revealed she is returning to fashion school to obtain her bachelor's degreeShe also revealed she was still engaged to the 'love of my life', Paul Michael.Amanda described her hopes of achieving a 4.0 GPA and opening an online shop.