The cyclist admitted in an interview with Oprah Winfrey last week that he used performance-enhancing drugs during his victories in the Tour de France, after years of public denials.
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In an interview with " Entertainment Tonight," Crow says she's only seen "bits and pieces" of the interview, but she tells the TV show, "I think that honesty is always the best bet and that the truth will set you free."
Crow and Armstrong split in 2006 after a three-year relationship.
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