Kohl's offers the SO Girls' Graphic Print V-Neck Top in six designs (Cool Stripe pictured) for $6.99. Coupon code "EGGHUNT" cuts it to $5.95. With $5.95 for shipping, that's $6 off list and the lowest total price we could find. It's available in sizes 6 to 16.
Note: It's available in plus sizes 12.5 to 20.5 for $6.79 after coupon.