Pop sensation Aaron Carter has had his fair share of high-profile Hollywood girlfriends, but the singer had some well-wishes for one in particular.

A few weeks after wishing Hilary Duff the best with her marriage and new baby on the way, Carter stopped by the “FoxNews.com Live” studios to reveal to us that he will “always” love his famous ex.

“I’m really happy for her that she’s in a successful relationship and that she’s going to have a baby,” he said. “Sometimes I think to myself, maybe that could have been me but it is what it is.”

Carter, who is promoting his theater debut in “The Fantasticks,” told “FoxNews.com Live” host Ashley Dvorkin, “she knows I will always love her” when asked about Duff.

“It’s crazy, that’s ancient history now,” Carter said of his reported exes like Duff, Lindsay Lohan and Kari Ann Peniche.

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    Carter, who completed rehab last year, also performed his song “Looking for a Girlfriend” in the “FoxNews.com Live” studios.