Rosie O’Donnell is new engaged to girlfriend Michelle Rounds and “so so so happy” about it, the talk show host Tweeted Monday night. O’Donnell, 49, and Rounds, 40, have been out officially as a couple since September.

The official announcement of the Rosie O’Donnell and Michelle Rounds engagement came during a taping of The Rosie Show on Monday. O’Donnell reportedly spilled the news to the audience during a commercial break.

O’Donnell posted a close-up photo of Rounds’ engagement ring on her Twitter feed on Monday evening. The flashy ring features a large, square shaped diamond at the center surrounded by a band of smaller diamonds.

Gushing over her new found love, O’Donnell Tweeted to a follower, “when we hold hands in the street i realize as a kid – i never dreamed it would be possible.”

According to O’Donnell’s publicist, there is no set date for the wedding yet. However, Us Weekly is reporting that O’Donnell told the audience of The Rosie Show on Monday the couple plans to get married over the Christmas holiday.

O’Donnell has four children with former partner Kelli Carpenter, whom she married publicly in San Francisco in 2004. Their marriage license, along with those of scores of other gays and lesbians, were later declared void by the California Supreme Court.

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