In a press release, Starbucks announced, "this November 9-13 from 2-5 p.m. Starbucks customers that buy one holiday beverage, will get another one free* to share."
Eligible holiday beverages include:
*Chestnut Praline Latte
*Caramel Brulée Latte
*Holiday Spice Flat White Teavana Joy Brewed Tea TM/MC.