第一句译的接近。 but still not very accurate.

好像第二句译反了。

Copycat Carries 应是那些学 Sex and the City 里 Carrie 的那些人（ 那些老百姓）Carrie （在 Sex and the City）买名牌， 她们紧跟买名牌。
therefore the expensive Manolo Blahnik and Jimmy Choo brands became household names.