Some recent flower girl dresses polka dots auctions on eBay:

MALLORY MAY Pink Girls Dress w/Polka Dots & sequinned flower Long Sleeves Size 8

$8.00
End Date: Friday Dec-22-2017 0:38:55 PST
Buy It Now for only: $8.00
Buy It Now | Add to watch list

Speechless Navy Blue Polka Dot White Flowers Long Sleeve Belt Girls Dress Size 7
$7.99
End Date: Sunday Nov-26-2017 13:20:39 PST
Buy It Now for only: $7.99
Buy It Now | Add to watch list

Flower Girl Princess Dress Kid Baby Party Wedding Pageant Formal Dresses Clothes
$7.99
End Date: Friday Dec-22-2017 2:54:55 PST
Buy It Now for only: $7.99
Buy It Now | Add to watch list

Fancy Baby Kids Girls Dress Party Polka Dot Flower Gown Formal Dresses US Stock
$9.99
End Date: Thursday Dec-7-2017 19:50:06 PST
Buy It Now for only: $9.99
Buy It Now | Add to watch list