Gwyneth Paltrow and Chris Martin separate

A combination photo of singer Chris Martin of Coldplay performing during a concert as part of their "Viva La Vida" tour in Barcelona September 4, 2009 and actress Gwyneth Paltrow posing during the premiere of her film "Iron Man" in Berlin April 22, 2008. [Photo/Agencies]

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"It is with hearts full of sadness that we have decided to separate," the couple said on Paltrow's lifestyle website, Goop.com, in a post entitled "Conscious Uncoupling."

"We have come to the conclusion that while we love each other very much we will remain separate. We are, however, and always will be a family, and in many ways we are closer than we have ever been," they added.

Paltrow, 41, who won a Best Actress Academy Award for "Shakespeare in Love," and British singer Martin, 37, were married in December 2003, and have two children, Apple and Moses. The notoriously private couple, who avoid being photographed together in public, will "consciously uncouple and coparent" their children, the couple said.