Macy's offers the Speechless Girls' Embroidered High-Low Hem Dress in Blue or Speechless Girls' Sequin Lace Dress in Pink for $24.99. Choose in-store pickup to avoid the $9.95 shipping fee. That's at least $59 off list and the lowest price we could find. It's available in sizes 7 to 16.

Update: Apply coupon code "SHOP" to drop it to $19.99.