Billy Dean married schoolteacher Stephanie Paisley in Brentwood, Tenn., on Saturday (May 7). David Pack, formerly of Ambrosia, flew in to sing the band's 1980 hit, "Biggest Part of Me," at the ceremony. The wedding will be featured on an upcoming episode of Montel Williams' talk show. Dean released his new single "This Is the Life" to country radio on May 9. Stephanie Paisley is not related to Brad Paisley.