I always remember her first from Little House on the Prairie. She is gone way too young and fought so hard against cancer. Always a little unsettling when someone close to your age passes, too. She was less than 2 months older than me.
She was in full remission and like cancer tends to do, it came back with a vengeance. That's two main actors gone from 90210 which is an iconic TV show. Cancer freaking sucks.