Infinity on High with a 54% decline during a post-Grammy week. The album rose to number three in its third week with 79,000 units sold. In its fourth week, the disc slipped to number four and sold 67,000 copies. "Infinity on High"s sales again fell in its fifth week, moving 58,000 copies and descending to number eight on the chart. In its sixth and last week in the top ten it fell to number nine and sold 43,000 copies. In April 2007, the album was certified Platinum by the Recording Industry Association of America (RIAA), denoting the shipment of one million copies. It
This Is What the Truth Feels Like Is What the Truth Feels Like" was also the best-selling album of the week, ranking number one on "Billboard"s Top Album Sales chart, with pure album sales of 76,000 copies (90% of overall units). It became Stefani's first number-one and third top-five album as a solo artist. The only time she previously reached the top was with her band No Doubt with their third record "Tragic Kingdom" (1995). With this feat, she became the fifth woman to first reach number one as part of a band or group, and then later earn their own solo leader. However, it also marked