Here are links to options for each of the missing pieces. You definitely don't need to get these specific items and can just use them for inspiration, but the links are also here if you'd like to simplify things and just pick from what I've linked to.

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Outfit #1 (DG Dress)

Black Knee-Highs

Option 1
Option 2

(Having trouble finding black knee-high stockings in kiddo sizes, but maybe adult’s could work?)

Outfit #2 (Jeans + Button-Down/Blazer)

All set with this one!

Outfit #3 (Frilly Dress)

Shoes

Option 1
Option 2
Option 3

(Wanted to give you some options in case you can’t get those nude platform shoes we looked at.)