Not seeing any pics.
Anyway, not much you can do except remove the dead portions and wait. If there is not much viable growth left I would not be going in trying to shape it- it needs every leaf it has purely to sustain itself.
After a year or two of looking at it you can decide whether or not it is worth keeping.
I would certainly give it that amount of time, though, seeing as you have a sentimental attachment to it.

Here's the photo :)

Here's Another photo

Not much you can do except wait and see. Did you have a lot of snow cover? Snow will protect a plant from cold temperatures and drying winds and the foliage/flowers will not be damaged. That is the reason lower leaves and flowers open in the spring on the lower half of plants while those on the top do not.

Linda

Here's Another photo

{{!gwi}}

Yes.... Lots of snow is normal... At least a few feet of snow thruout the winter.