The 61-year-old resurfaced at a Hollywood event, looking thrilled.
At the age of 12, Patty had to testify in front of a congressional panel after appearing on rigged quiz show "The $64,000 Question."
Duke is the mother of "Lord of the Rings" star Sean Astin and was diagnosed with bipolar disorder in 1982.
10/11/2008 1:24 PM PDT BY TMZ STAFF
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