A stripper claiming a sexual relationship with Fergie's husband Josh Duhamel is telling the truth, says the expert who gave her a polygraph test.

PHOTOS: See More Of Adult Entertainer Nicole Forrester

In an exclusive interview with RadarOnline.com, polygraph expert Kenneth E. Blackstone says stripper Nicole Forrester was telling the truth when asked if she had sex with Duahamel. The actor has strenuously denied the story through his rep.

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• exclusive
• Fergie
• Josh Duhamel
• Kenneth E. Blackstone
• Nicole Forrester
• Polygraph
• stripper