all dolled up

all dolled up (someone who spent a lot of time (or appears to have spent a lot of time) to prepare one's appearance, for instance, a woman who has her hair styled nicely, and make-up on, maybe a nice dress) — ~~расфуфыренный (русское слово имеет негативный оттенок в отл. от американского), разнаряженный; вырядившийся ...

Example: She got all dolled up for her sister's wedding.

This is usually used in the southern United States, more than anywhere else, I think.

see also
[dress for success]
a walking Christmas tree
I would describe someone as a walking Christmas tree if that person was wearing a ridiculously excessive amount of decoration.
— разодетый в пух и прах, как новогодняя елка, ...