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

Special Occasion by Marmellata Baby Girls Blue Dress w/ leggings size 18 mo NWT

$14.95
End Date: Saturday Feb-3-2018 18:21:33 PST
Buy It Now for only: $14.95
Buy It Now | Add to watch list

Infant Girls Easter Dress, Holiday, Special Occasion by Marmellata 12 Months
$10.00
End Date: Monday Feb-19-2018 18:46:36 PST
Buy It Now for only: $10.00
Buy It Now | Add to watch list