Brothers and Sisters Star Dave Annable Engaged!

Credit: Larry Marano/Getty Images for Tide

Valentine's Day weekend must have brought out the romantic in Dave Annable. The Brothers and Sisters actor proposed to October Road actress Odette Yustman while in Santa Barbara-- and she accepted!

See HUGE celeb engagement rings!

A rep for Annable, 30, confirms the engagement news to

Which other stars will be walking down the aisle?

Annable and Yustman, 24, have been dating for a year and a half.  An exact date for their 2010 wedding has not been set.