Nick Lachey's new beauty queen girlfriend.

Just two months after they separated, Jessica Simpson's husband, Nick Lachey, has moved on and is dating a former Miss Kentucky USA, according to insiders. He has been spotted in LA with Lizzie Arnold, 28, who took the state crown in 2001. "She is the mystery brunette who has been seen with Nick around town," reveals an insider. . . . . .Full Story

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