PrettyLitter Sale: Get 20% Off Your First Order! Posted by Hello Subscription on May 4, 2018. Mother's Day Deals & Gift Boxes / Subscription Box Coupons & Deals / PrettyLitter Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification PrettyLitter has a pawsome deal! For a limited time, get 20% on your first order with code LOVE20. Check out our PrettyLitter reviews to find out why our reviewer raves about it! Are you getting PrettyLitter?