Award-winning actress who starred as Nellie Oleson on the hit series Little House on the Prairie until 1981.
She endured a troubled upbringing. It was made public that her brother allegedly molested her from when she was six years old until she was nine.
She was once named a Former Child Star Lifetime Achievement Award nominee for her work on Little House on the Prairie.
She was born in New York City, New York. Her brother is former child actor Stefan Arngrim.
Both she and actress Melissa Gilbert starred on the show Little House on the Prairie.