Lady Gaga's ARTPOP will debut at No. 1 on this week's Billboard charts after selling 258,000 copies in its first week. This will push Eminem's The Marshall Mathers LP 2 down a spot to No. 2, but with 210,000 units moved this week, the sales total clocks in at 1,002,000 copies, making it Em's seventh album to go platinum. Jhené Aiko also slides into the top ten this week, with her Sail Out EP landing the No. 8 spot after moving 34,000 units.