Photo Gallery HOLLYWOOD - Actress/singer Jessica Simpson appeared on The Tonight Show With Jay Leno last night to address the many rumors surrounding her personal relationships.

The star had sacked her longtime publicist, Rob Shuter, earlier in the day, reportedly because of leaks surrounding her budding relationship with singer John Mayer .

When the talk-show host asked her the status of her relationship with Mayer she said, "John (Mayer )! What a good guy! He's 28 and a legend. He's a very great guy--just friends.

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