"Liar, Liar" was recorded by American singer Debbie Harry for the soundtrack to the 1988 film Married to the Mob, and produced by Mike Chapman. It was their first collaboration since the 1982 Blondie album The Hunter. The following year, the two would team up again for Harry's album Def, Dumb and Blonde. A music video, co-directed by Adam Bernstein, was produced to promote the single.[4] The song debuted and peaked at number 14 on Billboard's Modern Rock Tracks chart for the week ending September 10, 1988.