Here is another great summer sale from Old Navy. Buy one graphic tee and get one free from Friday, May 28 to Monday, May 31, 2010.

*Offer valid while supplies last May 28, 2010 through May 31, 2010 at Old Navy stores in the U.S. and Canada only. Not valid online. Limit 5 per customer. Free item must be of equal or lesser value. Discount taken at register. No adjustments on previous purchases. Not valid for cash or cash equivalent. Cannot be combined with any other offers or discounts. Limited selection of colours, sizes, and quantities.

Thanks to Melody113 for the great deal post!