January 29, 2010 at 05:42 PM EST

Amanda Seyfried, the Keane-eyed actress of Big Love, Mama Mia and Mean Girls fame (“My breasts can always tell when it’s going to rain. Well… they can tell when it’s raining.”) has a new film, the romantic drama Dear John, due in theaters February 5.

For the movie, she has recorded a song she penned, “Little House,” currently streamable over at E! online. The song has that kind of wistful, pretty girl-in-a-coffeehouse-wearing-a-handknit-beret vibe, and seems like a decent match for the soundtrack’s other stars, including the Swell Season, Rachael Yamagata, and duet partners Joshua Radin and Schuyler Fisk.

What do you think, readers—when stars double up on their own movies’ soundtracks (see Patrick Swayze’s “She’s Like the Wind” for Dirty Dancing; Robert Pattinson’s “Never Think” in Twilight), does it enhance the whole movie-going experience, or feel more like because-I-can vanity?

More from EW.com’s Music Mix:

Grammy rehearsals, day one: Zac Brown Band, P!nk, Lady Antebellum

New Mariah Carey video, ‘Up Out My Face’: Finally! Mimi is emancipated by hot new video

Matt Morris: Justin Timberlake’s “Hallelujah” duet partner talks Haiti telethon, Justin’s next move

Ayla Brown: Watch the new video from the ‘American Idol’ alum whose dad just got elected to the Senate

Ticketmaster/Live Nation merger: What’s in it for you?

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