After several of music's biggest stars showed their support for Haiti relief efforts, consumers are doing the same.

Songs from the charity compilation "Hope for Haiti Now" scale the Billboard Hot 100, refreshed today, along with all Billboard sales and airplay charts, on Billboard.biz.

Justin Timberlake and Matt Morris' "Hallelujah," featuring Charlie Sexton, vaults 48-13 on the Hot 100 with Greatest Gainer/Digital honors, spurred by a 24-5 charge on the Digital Songs chart (151,000 downloads sold, up 136%).

Three additional cuts from "Hope for Haiti Now" debut on the Hot 100: "Lean on Me" by Sheryl Crow, Kid Rock and Keith Urban, the Hot Shot Debut at No. 47; Taylor Swift's "Breathless" (No. 72); and Jennifer Hudson's cover of the Beatles' "Let It Be" (No. 98).

One title that is not a part of the "Hope for Haiti Now" album, but whose proceeds still benefit Haiti-related charities, enters the Hot 100: Eddie Vedder's "My City of Ruins" (No. 92), recorded in December at the Kennedy Center Honors' tribute to Bruce Springsteen.

In the chart's upper ranks, Ke$ha clocks a seventh week at No. 1 with "TiK ToK." The song leads Radio Songs/Hot 100 Airplay for a second week (130 million audience impressions) and rebounds for a sixth week atop Digital Songs (200,000 downloads).

Lady Gaga's "Bad Romance" returns for a seventh week in the runner-up spot on the Hot 100 (3-2), the song's highest rank to date.

Rising 4-3, Young Money's "BedRock," featuring Lloyd, claims Greatest Gainer/Airplay accolades. The song climbs 6-3 on Radio Songs (101 million in audience, up 14%).

The Black Eyed Peas zoom 11-4 on the Hot 100 with "Imma Be," marking their fourth top 10 from their former Billboard 200 No. 1 album, "The E.N.D."

David Guetta's "Sexy Chick," featuring Akon, lifts 7-5, and Ludacris' "How Low" surges 12-6, each title rebounding to new peak positions.

Iyaz's "Replay" dips 6-7, and Lady Antebellum's "Need You Now," the title cut to the Billboard 200's new leader, returns to the top 10 of the Hot 100 after 10 weeks with gains at retail (18-8, Digital Songs) and radio (19-14, Radio Songs). The song reached a highpoint of No. 5 on the Hot 100 in November.

Rounding out the Hot 100's top 10, Train's "Hey, Soul Sister" edges 10-9. The track swaps places with Rihanna's "Hard," featuring Jeezy.

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