Known for her recurring childhood roles in such television series as The Bold and the Beautiful, Big Love, and Joan of Arcadia, she often shares the screen with or is cast in the same roles as her identical twin sister Keaton Tyndall.
At the age of two, she appeared in an un-credited role in a television movie about the life of Roseanne Barr.
She was nominated for a Young Artist Award for her role as Steffy Forrester in The Bold and the Beautiful.
In addition to her twin, Keaton, she has two sisters named Jennifer and Jessica and a brother named Keaton.
She appeared alongside series star Bill Paxton on the HBO series Big Love.