Underneath IT All - Chart Performance

Chart Performance

"Underneath It All" peaked at number three on the Billboard Hot 100 for two weeks, becoming No Doubt's highest charting American single, since "Don't Speak" was not allowed onto the Hot 100 because of a technicality. It was successful in mainstream music, topping the Top 40 Mainstream and reaching number two on the Top 40 Tracks. The song was also successful in the adult contemporary market, reaching number two on the Adult Top 40 chart with a 2004 re-appearance atop the Top 40 Adult Recurrents and peaking at number twenty-seven on the Adult Contemporary chart. It had some crossover success on urban contemporary and Hispanic rhythmic stations, reaching the top forty on the Latin Pop Airplay and Rhythmic Top 40 charts and number twenty-three on the Latin Tropical/Salsa Airplay. At the 2004 Grammy Awards, "Underneath It All" won for Best Pop Vocal Performance by a Duo or Group. The song fared poorer on the Canadian Singles Chart, where it peaked at number thirty-five.

"Underneath It All" debuted at number eighteen on the UK Singles Chart but was unable to reach a higher position. It was unsuccessful across Europe, only reaching the top forty in Austria and Sweden. On the ARIA Singles Chart, the song peaked at number twenty-eight and remained on the chart for seven weeks. In New Zealand it peaked at number eight for two consecutive weeks and stayed on the chart for over four months.