Some recent infant baby girl dresses special occasion auctions on eBay:

Burberry Infant Baby Girls Floral Bubble Hem Special Occasions Dress 6 M 68 cm

$39.99 (0 Bids)
End Date: Wednesday May-22-2013 8:57:40 PDT
Buy It Now for only: $55.00
Buy It Now | Bid now | Add to watch list

Carter's Infant Girl Special Occasion Party Dress Size (9 Month) Red/Black NWT
$16.99
End Date: Monday Jun-17-2013 22:16:10 PDT
Buy It Now for only: $16.99
Buy It Now | Add to watch list