Lisa Donahue

 is the winning House Guest of Big Brother 3. She took away $500,000 after lasting 82 days in the house and receiving all but one vote from the Jury. She also became the first female winner in the show's history.

Lisa was later one of the 20 candidates eligible to be voted back into Big Brother All Stars. However, she was not selected.

Biography
Lisa Donahue was a 26 year old bartender from Los Angeles, California.

Trivia

 * Lisa was the first House Guest to win the first and last Head of Household competitions and the game. Lisa would later be followed by Hayden Moss and Rachel Reilly, who accomplished the same feat.
 * Lisa has the most votes to win out of any Big Brother winner with 9.