Ashton Kutcher Remembers Ex-Girlfriend Brittany Murphy

 Duffy-Marie Arnoult/Getty Images for Niche Media; Bryan Bedder/Getty Images for IMG

Ashton Kutcher is mourning the death of Brittany Murphy, who reportedly died Sunday morning of cardiac arrest.

He tweeted Sunday afternoon, "2day the world lost a little piece of sunshine. My deepest condolences go out 2 Brittany’s family, her husband, & her amazing mother Sharon."

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The actor adds, "see you on the other side kid."

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Kutcher, 31, and Murphy, 32, costarred in the 2003 comedy Just Married, and were romantically involved offscreen.

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