Snapchat users! Starbucks is offering up Buy 1 Get 1 FREE Holiday Drinks from 2PM - 5PM! Simply show the barista a screenshot of the Starbucks Snapchat story (@Starbucks), a photo using the Starbucks ''Snap It Forward'' Snapchat filter, or the Starbucks ad that appears between Snapchat user's stores. This deal is valid today, December 9th only.