The tearjerker that spans several generations, based on the novel by Nicholas Sparks, was the favorite drama and date movie among teens.
The twosome also won for best movie chemistry, and their now-famous rain-soaked kiss in the film earned them awards for both best movie lip-lock and best movie love scene.
Here's a complete list of winners at the 2005 Teen Choice Awards:
Ashton Kutcher, That '70s Show
Adam Brody, The O.C.
Alexis Bledel, Gilmore Girls
Rachel Bilson, The O.C.
Eva Longoria, Desperate Housewives
Lauren Graham as Lorelai Gilmore, Gilmore Girls
Ashton Kutcher, Punk'd
Wilmer Valderrama, That '70s Show
Kelly Clarkson, Breakaway
Gwen Stefani featuring Eve, "Rich Girl"
Mariah Carey, "We Belong Together"
Ciara featuring Ludacris, "Oh"
Black Eyed Peas, "Don't Phunk with My Heart"
R&B Hip-Hop Track
Ciara, "1-2 Step"
Kelly Clarkson, "Since U Been Gone"