Amid a static top 5 on the Billboard Hot 100, Lady GaGa's "Just Dance" featuring Colby O'Donis is No. 1 for a third week after selling 192,000 downloads in the United States, according to Nielsen SoundScan.

Also staying put at Nos. 2-5 are Beyonce's "Single Ladies (Put a Ring on It)," Kanye West's "Heartless," T.I.'s "Live Your Life" featuring Rihanna and Taylor Swift's "Love Story."

The All-American Rejects' "Gives You Hell" keeps rising 10-6 after selling 169,000 downloads, while Jason Mraz's "I'm Yours" holds at No. 7 and Katy Perry's "Hot N Cold" slides 6-8.

Kevin Rudolf's "Let It Rock" featuring Lil Wayne is down 8-9 and Britney Spears' "Circus" inches up 11-10 to round out the top tier.

Eminem's "Crack a Bottle" featuring Dr. Dre and 50 Cent is the top debut at No. 78, marking the rapper's first appearance on the Hot 100 since "You Don't Know" peaked at No. 12 in December 2006. Dr. Dre's absence has been even longer; he last charted as a guest on Eminem's "Encore" in January 2005.

"Single Ladies" begins a 10th week at No. 1 on Hot R&B/Hip-Hop Songs, where T-Pain's "Freeze" featuring Chris Brown is the top debut at No. 64.

On Hot Country Songs, Alan Jackson's "Country Boy" ascends 5-1, tying him with George Strait for the most No. 1s since data from Nielsen Broadcast Data Systems became the source for the chart in January 1990. Each artist has 25 chart-toppers since then; Strait is the chart's all-time leader with 45.

Kings Of Leon's "Sex on Fire" begins a seventh week atop the Modern Rock chart, while Shinedown leads Mainstream Rock for a sixth with "Second Chance."