After 98 Degrees, he released two solo albums, SoulO and What's Left of Me. In 2021, he was the winner of season 5 of The Masked Singer.
He married Jessica Simpson on October 26, 2002; after their divorce on June 30, 2006, he married Vanessa Lachey on July 15, 2011. He and Vanessa have two sons, Camden and Phoenix, and a daughter, Brooklyn.
He acted alongside Alyssa Milano on the TV series Charmed.