When did the twiggy make it's debut?

Maybe S/S 04? I know it was around in that season, and don't think I've seen any in the 03 colors.

 

that's a great question! It definitely did exist in s/s04, think seafoam twiggy <--- yes!
did the city also debut then?

 

Nope - the city came around for the S/S 03, if I'm not mistaken.