Ashton Kutcher's secret to great sex; Eva Longoria sued over nightclub investment

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Ashton Kutcher and Natalie Portman combine sex and humor in the new rom-com "No Strings Attached," a combination that Kutcher says is key in the bedroom. "Inherently, I kind of find that sex and intimacy, when its great, it is funny anyway," he says. On his own marriage to Demi Moore, he shares that the work is never done. "It can always get better even when it's going great... I'm constantly reminding myself no matter how amazing my relationship is, to keep working on it." [ E! News]

An investor in a Las Vegas nightclub partly owned by Eva Longoria is suing the "Desperate Housewives" star for at least $4 million. Mali Nachum, a former partner in the Beso nightclub in Vegas -- which filed for bankruptcy last week -- says Longoria lent him $1 million to invest in the club in 2009 and the repayment terms he set violate California's usury laws. Longoria's rep says the suit is meritless. [ AP]

50 Cent is using Twitter to make a pretty penny. The rapper made $8.7 million by tweeting about H&H Imports, the company that owns TV Goods. "You can double your money right now. Just get what you can afford," 50 tweeted. "They are no joke get in now." The company's stock shares jumped a whopping 290 percent on Monday (Jan. 10) following the tweets. [ New York Post

PLEASE let this be true! A source close to "Jersey Shore's" Sammi Giancola and Ronnie Magro says the couple has hit splitsville (again). "They are done," the insider spills. Cast mate Pauly D isn't shy about his opinion of the couple either, saying "I love single Ronnie... When he's with Sammi he's a different person. She's a difficult woman!" Well, guess someone had to replace Angelina as the most hated guidette. [ Us Magazine

In not-so-exciting breakup news, Shakira has revealed that she and boyfriend, Antonio de la Rue, have officially called it quits. "Since August 2010, we made a mutual decision to take time apart from our romantic relationship," she blogged. "Throughout this time we have continued to work together hand in hand, have remained close and have kept the details absolutely private until now." After 11 years together, the couple is not opposed to a possible reconciliation in the future. "We view this period of separation as temporary and as a time of individual growth," she continues. "Our friendship and understanding of one another is unwavering and indestructible." [ Access Hollywood

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