MacKenzie Mauzy was born on October 14, 1988 in Greensboro, North Carolina. She was raised in Lancaster, Pennsylvania and later relocated to Los Angeles from New York City. Mauzy is best known for her role on Guiding Light as Elizabeth "Lizzie" Spaulding which she played for two years. She also appeared briefly as a guest star on CSI: NY in an episode entitled Stealing Home. Before appearing on television, though, she worked in New York, Virginia and North Carolina, where she appeared on stage productions of classics like A Christmas Carol, Snow White and Macbeth. She then won the Anna Wentworth Award for Best Child Actress in 1998 for her role as Annie Warbucks in the production of Annie at the Showtimers Theatre in Roanoke, Virginia.

Phoebe Forrester is played by MacKenzie Mauzy on the soap opera The Bold and the Beautiful. Phoebe was half of the Forrester twins born to Ridge and Taylor. She was more emotional than her twin sister, Steffy, becoming so devastated when their father moved out of their home as a result of having marital problems.