From Wikipedia, the free encyclopedia

Kylie Tyndall was born on March 14, 1992, one minute after her identical twin sister Keaton. Kylie started acting at the age of 9 months, and has had roles in several movies, TV shows, and commercials. In 2004, Kylie landed the recurring role of "Steffy Forrester" on the CBS soap opera The Bold and the Beautiful, which would later earn her a Young Artist Award nomination for "Best Performance in a Television Series/Recurring Young Actress". Later that year Kylie, along with twin sister Keaton, appeared as the twin Gods in Joan of Arcadia. Currently Kylie recurs as Penny Marquart on HBO's Big Love. Kylie also recently filmed Insatiable opposite Andie MacDowell and Lara Flynn Boyle.