If you are already a member of Starbucks Rewards (it is free to join!) you should be able to get a free bonus star this weekend only with any drink purchase after 2pm.
Actually the email I received says any purchase so this might count on food as well.
The offer is available May 24-27 and I got this in an email from Starbucks.
The email also has a single use coupon code for Buy 3 Get 1 Free Frappuccinos.
You might check your email and see if you got this same offer as well.
Here is the fine print: “Bonus Star offer valid 5/24/14 — 5/27/14. Make a purchase after 2.pm. and receive a Bonus Star. Bonus Star will automatically appear. At participating Starbucks® stores. Must pay with your registered Starbucks Card. “
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