Does he still love Duff? "Absolutely," the 26-year-old told Entertainment Tonight's Rob Marciano. "I don't know who she is today, she doesn't know who I am today, but I would sweep her off her feet if I ever got a chance to again and fix what I did wrong."
Carter and Duff, 26, dated for three years before calling it quits in 2003. At the time, rumors swirled that Nick Carter's younger brother cheated on the Lizzie McGuire alum with Disney rival Lindsay Lohan. Last month, he professed his love for Duff over a decade after their split.
"Don't be that stupid douche that loses the love of your life forever.. Like me…" he tweeted, along with a recent photo of Duff. "I'll spend the rest of my life trying to better myself to get back to her. I don't care what ANY of you think."
Duff, who separated from NFL husband Mike Comrie after three years of marriage earlier this year, has yet to respond. Carter, however, isn't all that worried.
"That wasn't meant for the media or anybody like that—I didn't think about it really. I wasn't really looking for [a response] either," he said of Duff, who shares 2-year-old Luca with Comrie. "I'm sure she got the message."