If you have already have an account, simply log in and click the My Rewards tab, click Earn Rewards and the Happy Birthday option. If you are a new customer, you will be asked for your birthday at the initial sign-up screen. You will need to get in touch with us with your birthday so that we can manually update your information, please give us your birthday in the format DD/MM/YYYY and your account email address. Please allow 30 days for your account to register your birthday.