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. Jhen√© Aiko also slides into the top ten this week, with her Sail Out EP landing the No. 8 spot after moving 34,000 units.

[via Billboard]

RELATED: Watch Lady Gaga Perform "Gypsy" and "Do What U Want" With R. Kelly on "Saturday Night Live"
RELATED: Lady Gaga's artRave: An Expensive Multimedia Extravaganza