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By Lauren Lynch
© Women's Health Magazine

(September 17, 2010) Andy Roddick doesn't need to spend his spare time fantasizing — he's already living the dream. Roddick's wife, model Brooklyn Decker, graced the cover of Sports Illustrated, Esquire readers named her "Sexiest Woman Alive" and she will make her big-screen debut in Adam Sandler's Just Go With It. But Roddick still has his celebrity crushes: Diane Lane and Christie Brinkley.

"Andy definitely has crushes. He loves women in their forties and fifties," Decker tells Page Six Magazine. "He loves Christie Brinkley and Diane Lane. A woman who's graceful and has it all together. So not me."

Flipping through the pages of Sports Illustrated's 2007 swimsuit issue, Roddick was so smitten with Decker he tracked her down, they soon began dating and he proposed in March, 2008. In April of 2009, they wed in a small ceremony in his home in Austin attended by Andre Agassi, James Blake and Justin Gimelstob. Elton John, a long-time Roddick friend, performed at the ceremony for the couple. Decker says though the couple was young, they were both ready for marriage.

"It wasn't weird for me," Decker tells Page Six. "My mom got married when she was 19, and my husband's parents got married young—in their 20s. And both sets of parents are still together. We're so lucky. We had that influence around us, and basically, it came down to the fact that neither of us had to get married. We both were successful on our own, we both had our own income, we both had our friends, but it's just what we wanted. It was never part of my plan to get married young, but we did it because we really wanted to. We saw no other way."

Though the couple is building a new home in Austin, Brooklyn calls Brooklyn home when she's modeling in New York City. Roddick and Decker moved from their former Grammercy Park apartment to a condo in Brooklyn's DUMBO neighborhood where the pair, who are both active, and their dog Billie Jean (named after Hall of Famer King and not the Michael Jackson song) has room to roam.

"Coming home after a job and hearing honking, I just needed to get out of Manhattan," Decker says. "And we have a dog, Billie Jean, and we wanted her to have space. I grew up in North Carolina, and we spend a lot of our time in Austin, Texas, so Brooklyn is a happy medium. You have Manhattan living, but you still get the neighborhood feel. I'm a total sucker. Now every time I land at JFK or LaGuardia I get so excited, whereas before I used to get stressed out."

The sight of Brooklyn in Brooklyn can lead to to some raised eyebrows when she pulls out her AmEx card though Decker was named after a horse (believe it or not) and not the borough she now calls home.

"My mom's best friend had a horse named Brook, and she always loved the name, so I got Brooklyn," Decker says. "I used to be adamant about not moving here, because I thought it would be ridiculous, me living in Brooklyn with the name Brooklyn. I realized I loved it too much not to. But I go to my local coffee shop and take out my credit card, and they're like, 'Brooklyn—really? Is this a joke?' "

It's been a career break-through year for Decker, who was named Best Summer Body by Women's Health Magazine.

Decker, who graced the cover of the annual Sports Illustrated swimsuit issue, beat out Jessica Alba for the top spot. The rest of the top 10 featured Twilight's Ashley Greene, Disney High School Musical darling Vanessa Hudgens, actress Jessica Biel, singers Carrie Underwood and Katy Perry and Lauren Conrad, Jennifer Aniston and Kim Kardashian.

"All of this year's finalists have a deep commitment to working out, staying fit and eating smart," David Zinczenko, editor-in-chief of Men's Health and editorial director of Women's Health said in a statement. "They have a variety of workout regimes from Pilates and yoga to boxing and weight training, kayaking and hiking to training for marathons. They've worked hard to achieve and maintain their amazing bodies."

Decker said she keeps fit by training an hour a day five days a week. She alternates running, spinning and the eliptical machine with weight training. Tennis is not a part of her weekly workout regimen though Decker and Roddick did some kayaking together in Hawaii while she was filming Just Go With It.

Their ability to play, and laugh together, is what keeps the magic in the marriage says Decker, who has dressed up Billie Jean in outfits ranging from Mrs. Claus to a UNC cheerleader uniform in an effort to embarrass her husband.

"That's why I do it, because he hates it," she says, chuckling. "It's hilarious. I think the key to a happy marriage is laughing together. It's kind of gross, but I'm pretty sure my parents still make out. They're gonna kill me for saying that. But my dad comes home from work and grabs my mom's butt—it's really sweet. When you're happy and laughing, that's the key."