Most Talked-About Couples

Some are hush-hush, some surprise us, and others are just hot, hot, hot. Take a peek at the most fascinating celebrity duos.

PUPPY LOVE

For Mandy Moore and Andy Roddick (in New York in July), the score is definitely love-love. Since Moore had her mom invite Roddick to the set of How to Deal in 2002, the pair has been the picture of puppy love. "He knows me better than anyone, and I know him better than anyone," Moore told PEOPLE in September.