- Portrayed Prudence Everett in the 1970 ABC comedy series Nanny and the Professor.
- Made movie debut in the 1974 drama Escape to Witch Mountain. She took the role of Tia after first pick Melissa Sue Anderson dropped out to do Little House on the Prairie.
- Was known as "the Disney Girl" as she was featured in several movies for the studio.
- A member of the cast of Bravo's 2010 reality series The Real Housewives of Beverly Hills.
- In late 2011, sought help for alcohol addiction; it was her second trip to a rehab facility.
- Kathy Dugan — Mother
- Brooke Brinson — Daughter
- Kyle Richards — Sister
- Kathy Hilton — Sister
- Whitney Davis — Daughter
- Nicky Hilton — Niece
- Kenneth Edwin Richards — Father
- Chad Davis — Son
- Kimberly — Daughter
- Monty Brinson — Ex-husband
- Gregg Davis — Ex-husband
- Paris Hilton — Niece
- Birth Place: Long Island, NY
- Birthday: September 19, 1964, Virgo
- Profession: Actor, Reality cast member
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Grey's Anatomy is obviously a big influence on Tay Tay