Photo SpecialNick & Jessica's Troubled Year

See the highs and lows of PEOPLE.com's Most Fascinating Couple of 2005. By Emily Fromm

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MARCH 30

Simpson's goofiness outside the Hollywood club Guy's capped off a lovey-dovey month: The couple shopped and dined a deux in L.A., vacationed in Palm Springs and even appeared on The Tonight Show with Jay Leno together. Although Lachey was planning a solo reality show for MTV, he said Simpson would be involved: "She's a part of my life and everything I do."

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