How to update shipping address

1. Login to your customer portal. (Not sure how to do this? To find this link, the link is normally sent in the Subscription Confirmation email when you begin a subscription and the Upcoming Order email)
2. Click on Subscription
3. Click Edit on the subscription you want to update
4. Scroll down to Shipping Address.
5. Click the arrow to expand.
6. Select one of the other shipping addresses.

Note: This only affects the shipping/delivery address, this does not update billing information related to the method of payment.