Conversation so far:
where was Tippi born?
CANNOTANSWER.
is she married?
In 1952, Hedren met and married 18-year-old future advertising executive Peter Griffith.
did she have kids?
daughter, actress Melanie Griffith, was born on August 9, 1957.

Question: how long was she married?
Self-contained rewrite: How long was Tippi Hedren married?