Rosie O'Donnell Rosie O'Donnell

Rosie O'Donnell is engaged to girlfriend Michelle Rounds, her rep confirms to

Rosie, who recently started a talk show on OWN, announced the news to her studio audience in Chicago during a commercial break.

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The couple, who met in a Starbucks, have been dating for just three months. No date for the nuptials has been set.

O'Donnell, 49, had been married to Kelli Carpenter with whom she has four children. Her previous relationship with artist Tracy Katchick-Anders ended after a year.