Jessica Simpson and Nick Lachey

Before marrying Jessica in 2002, Nick was best known as one-third of the platinum-selling group 98 Degrees. By the time Newlyweds debuted in 2003, Nick had left 98 Degrees and released his first solo album, SoulO. The single "This I Swear" was used as the Newlyweds theme song. A few months after Newlyweds ended, Nick released his second solo album, What's Left of Me. The title track featured