Aaron Carter, Pop Singer, Reminisces About Grinding With Beyoncé (VIDEO)

Singer, actor, and musical theater star Aaron Carter came by HuffPost Live's studio on Tuesday to talk about leaving "The Fantasticks" to kick off a new singing tour, paying tribute to his 2000 record, "Aaron's Party (Come Get It)."

Host Josh Zepps asked Carter to weigh in on what it's like face pressure on stage, asking him about his old friend Beyoncé's lip sync performance at the Inauguration. Carter defended her, explaining the technical issues around performances, and copping to lip syncing himself "plenty of times."

But Beyoncé's name also brought up an old memory -- and an old picture. Carter held up his phone, saying "look at me and Beyoncé grinding on one another." Carter explained it was from the Teen Choice Awards "like 15 years ago" and that his fans today are probably shocked, as "those little girls watching are like 'I wasn't even born.'"

In the full interview, Carter discussed his upbringing in Tampa, Fla., and trying to stay a normal kid while being the younger brother of Backstreet Boys member Nick Carter. He also talked about his friendship with Michael Jackson, dealing with rehab, and his celebrity dating habits, as he's been linked with Hilary Duff, Lindsay Lohan, and Amanda Byrnes.