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."
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.
