'Grey's Anatomy' stars celebrate 'Valentine's Day'

They must love conversation hearts over at Seattle Grace.

Two of "Grey's Anatomy's" dreamiest docs, Patrick Dempsey and Eric Dane, have signed on for the ensemble film "Valentine's Day."

Dempsey will be playing a (wait for it) doctor, according to The Hollywood Reporter, while Variety claims Dane will step into the role of a washed-up quarterback.

See pictures of this summer's romantic comedies.

The movie is an Altman-esque star-studded series of interconnected tales that all take place over one Valentine's Day. Check out this cast: Julia Roberts, Anne Hathaway, Jessica Alba, Jessica Biel, Jennifer Garner, Shirley MacLaine, Bradley Cooper, Ashton Kutcher, Topher Grace, Emma Roberts and Hector Elizondo.

Garry Marshall will direct.

"Valentine's Day" is scheduled for a Feb. 12, 2010, release.

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