If you need change the email address associated to your myVIP website login, you can do that under the My Account section.  Click on your photo in the upper right corner and select My Account.  
 
On the page, you can click the UPDATE on the left side under email to enter a new email address and once complete select SAVE.  
 
Please note that the myVIP loyaty site will ask to verify your email address everytime you change it.  Please make sure you take the extra step to verify your email address. 
 
You can also update or add your phone number and mailing address to your account.