Foster, a native of California, won the National Tap Dance Championship after which she was discovered on Star Search as a singer at age eight.
In 1984, Foster landed her most notable role, in the NBC series Punky Brewster as Margaux Kramer, the spoiled upper class friend of the title character.
[2][3][4][5] During the run of Punky Brewster, Foster appeared on Circus of the Stars; she shared an act with actor-musician Corey Yothers, whose sister Tina (of Family Ties fame) was also featured that year in COTS.
Following the end of Punky Brewster in 1988, Foster appeared in various guest roles: on The Wonder Years, Quantum Leap, and Life Goes On.
[5] In 2021, she returned to acting and reprised her role as Margaux Kramer in the Punky Brewster revival of the series in a guest appearance.