If you got a Starbucks Gift Card for Christmas be sure to register your card with My Starbucks Rewards! Earn stars each time you use your card and receive rewards. PLUS all registered Starbucks Card holders get a handcrafted birthday beverage of their choice. To make it even better paying with your registered Starbucks Card gets you a brewed or iced coffee or tea refill at no charge during your visit to a participating store.