How do I add or change my birthday within my account? To add your birthday, visit the More section in the App and select My Account. Once a birthday has been added it can't be changed, but don't worry we'll still send a birthday treat on the date you provided. Related articles My Bath & Body Works Rewards Program: Frequently Asked Questions When will I receive points for my purchase? What are the Rewards Program Terms and Conditions? How do I enter an APO or FPO address in Checkout?