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Jennifer Lopez, Marc Anthony, Shannon De Lima

Jason Merritt/Getty Images for LACMA, Christopher Polk/ACMA2012/Getty Images for ACM

Jennifer Lopez is feeling so much better about herself nowadays, there's plenty of joy to go around.

Asked about ex-husband Marc Anthony's reported engagement to on-again girlfriend Shannon De Lima, the singer-actress-personality said at the NYC launch of her new book last week, "I'm happy for him," according to the New York Daily News.

It was unclear whether she had first-hand knowledge that Anthony had popped the question or whether she had just heard the news through other channels.

A rep for Anthony didn't respond to a request for comment when E! News reached out, but Us Weekly reported that he and De Lima actually got engaged back in March and the wedding will be sometime this month. It would be Anthony's third marriage.

De Lima started dating Anthony in early 2012, roughly five months after he and J.Lo called it quits. He and De Lima had amicably split up by January 2013, but apparently later reconciled.

Lopez, who dated dancer-choreographer Casper Smart for nearly three and a half years following the July 2012 breakup of her and Anthony's marriage, also said at her book party, per the New York Daily News, that she was "totally single"—and totally fine with that.

"It's not going to be forever," she added, referring to her solo status. "Someone great will come along."

Jennifer Lopez, True Love Book

Celebra Hardcover

In talking about her memoir, True Love, the admitted serial monogamist has said that she jumped from relationship to relationship over the years, marrying three times, because she was looking for another person to fill a void that ultimately only she herself could fill.

"I had this confidence in what I could do. I didn't have so much confidence in who I was or what I had to offer just as a girl," Lopez told Maria Shriver in an interview that aired on Today.

"I was the one who ran track and won medals every weekend, or I was the one who would go on the show and steal the show, and that would give me a confidence. But there was a part of me that just wanted love," she said. "That just wanted to be...that felt like she wasn't worthy of love, and that's why she was trying to do all this stuff."