My Strelitzia Nicolai is not doing too good after my cat fell down on it a couple of times... all but two leaves are intact and four others don't have a broken stem but the leaves are pretty shredded.

I've already cut several other broken leaves off and it's starting to look more and more naked..

What should I do about it to help it recover? Should i cut off all the bad leaves and just leave the two decent ones or should I cut it all to the ground to give it a fresh start?