Mandy Moore's sexy new style.

Singer and actress Mandy Moore has always been a head-turner, but lately, she's morphed into the kind of woman who could cause a 10 car pileup Listen in as she talks about her sizzling romance with tennis star Any Roddick, her skyrockeing career, and the fashion choices that make he feel sexiest.

* International pop star and budding actress Mandy Moore is known for being sweet, innocent, and never indecently exposed. But lately, the gorgeous 19-year-old girl-next-door has started letting her sexy side shine through. Don't get the wrong idea though--you won't spot her stepping our in spandex miniskirts and shredded shirts a la Christina Aguilera any time soon. "By no means would I ever want to strip off my clothes or do anything extreme, but I'm beginning to gravitate toward more sophisticated looks," the Florida native ex-plains. "I'm growing up, and it's reflected in my style."

And Mandy, who has starred in the flicks A Walk to Remember and How to Deal, is no bubble-gum-snapping teenager when it come's to her career these days either. She recently released her fourth album, Coverage, a compilation of her fave '70s and '80s songs. "It's the first album I've done that I'm truly in love with," she says. And she has two movies coming out this year: the dark comedy Saved, hitting theaters in March, and dais month's Chasing Liberty, in which she plays a US president's laughter who runs away during a diplomatic trip to Europe to escape the public eye, a part Mandy can really relate to. "[My character] Anna and I are the same age, and I kind of see myself in a similar place. Sometimes I feel like such a goody-goody, and I want to do something that kind of shocks myself."

When Mandy isn't hard at work, she's hanging out with her boyfriend, tennis champ Andy Roddick. The happy couple met a year and a half ago when Mandy's mom dragged her to watch one of his tennis matches, and she was introduced to him after the game. She's been his biggest tan (and he hers) ever since, even though their busy schedules keep them apart a lot of the time. "Long distance sucks, but when you love someone, you make it work," Mandy says. When she visits Andy on his tennis tour (her schedule is more ...