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"I am a romantic. I love romance. I'm not afraid of commitment. I commit to everything I'm doing and I am hopelessly loyal," the Shrek actress, 37, tells Parade.com.
Diaz wouldn't want over-the-top nuptials.
"The mystique and the romance of a big wedding are lost on me. I don't think that I could ever do something that extravagant," she says. "I am not much of a planner. I would probably make the phone call 20 minutes before the bus leaves for the chapel and ask if anyone is available to come. That's probably how my wedding is going to end up."
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The new issue of Us Weekly reports that Diaz and Kate Hudson are feuding over A-Rod. (Diaz was spotted carrying an overnight bag out of his $30,000-a-month NYC penthouse on May 2; Hudson dated him from May to December, and even got a small breast augmentation, according to sources, to appeal to his preference for "busty women.")
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But Diaz says she keeps the games out of her love life.
"I think that the rules in relationships are: no tricks, honesty, communication, treat people the way you want to be treated, unconditional love," she says. "Those are the things that I think are important. But, you know, rules are made to be broken."