Look back: 25 great 'Oprah' moments
Here's a look back at some of Oprah Winfrey's most memorable moments on television.
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Liberace's last TV appearance (1986)( Associated Press )
During "Oprah's" first season, the beloved performer known for his flamboyant outfits and stage presence performed a Christmas medley in what was to be his last television appearance. Liberace died six weeks later.
Photo: Liberace, circa 1985-86.