SOUTHERN hip- hoppers OutKast held on to the top of the charts for the second week in a row, adding 86,421 copies of their double album, “Speakerboxx/The Love Below,” for a total of 3.5 million copies, according to Nielsen SoundScan.

“The Very Best of Sheryl Crow” sticks with No. 2, Evanescence’s “Fallen” climbs six spots to No. 3, the “2004 Grammy Nominees” compilation enters the charts at No. 4 and “American Idol” winner Ruben Studdard rounds out the top five with his debut disc, “Soulful.”

Britney Spears returns to the top 10 (at No. 10) with “In the Zone.” The pop tart has now sold 1.8 million copies of her fourth album.