By Mike Bruno
Updated April 29, 2009 at 11:29 PM EDT

Sean Penn has filed for legal separation from his wife of 13 years, Robin Wright Penn, according to Fox News. The duo appeared together at the Oscars in February, but the actor didnot thank his wife in his acceptance speech for the Best Actor Oscar hereceived for Milk. The couple has two children together, daughter Dylan Frances, 18, and son Hopper Jack, 15. They previously filed for divorce in 2007 but then requested that the request be denied in April of last year.