Follow these steps to change your Pro Plan Monthly Subscription to an Annual Subscription:

First, make sure you are logged in to Blush.

Then, from the homepage, navigate to your account settings by clicking on your account portrait in the upper right of the screen. Then, select "Account Settings" in the drop-down menu.

Next, navigate directly to the Billing tab.

You can also access the Billing tab from the Plans menu by scrolling down and clicking on the "Manage Subscription" button.

Scroll down, and click the "Change Plan" button.

A window will pop up, and you can then select "Yearly," and hit the "Change Subscription" button.