Reuters — NEW YORK (Billboard) - Rookie pop singer Ke$ha leads Billboard's Hot 100 singles chart for a second week with "TiK ToK" while setting the record for most single-week downloads by a female artist (610,000). more info

Rolling Stone — Photo: Bedder/Getty Images Ke$ha made digital sales history last week when her debut single “TiK ToK” was downloaded 610,000 times, the highest digital total for a female artist in one week since Nielsen SoundScan started tracking the figures. Th... more info

Yahoo! Music UK — world entertainment news - Pop sensation Ke$Ha added the dollar sign to her stage moniker after failing to recoup any royalties for singing on Flo Rida's Right Round. more info

Reuters — NEW YORK (Billboard) - In what is traditionally a high-volume download week thanks to shiny new MP3 players under the tree and download cards stuffed in stockings, a digital sales mark has fallen by the wayside. more info

L.A. Times - Entertainment — Dance artist Ke$ha benefited from post-holiday online shoppers, setting a new record on the Billboard charts for the most ever digital single sales for a female artist. more info

L.A. Times - Pop & Hiss — Dance artist Ke$ha benefited from post-holiday online shoppers, setting a new record on the Billboard charts for the most ever digital single sales for a female artist. Her "TiK ToK" sold 610,000 digital tracks, according to Nielsen SoundScan data re... more info

Perez Hilton — The numbers are in, and we're surprised!! Business for the iTunes store has been booming since the holidays and pop tart Ke$ha has out$old our GaGa! Ke$ha's Tik Tok sold 610,000 downloads over the past week (a 175% increase!) while Gagaloo's Bad Rom... more info

L.A. Times - Pop & Hiss — KE$HA Like many L.A. musicians, the singer Ke$ha survived her lean early years in the city by snacking on the free food offered during happy hour at Echo Park's myriad dive bars. But the singer's situation was rather different than... more info

MTV.com News — 'My favorite song of the year would have to be Jay-Z's 'Run This Town,' ' Pete Wentz says.By James Montgomery Kris Allen Photo: Frazer Harrison/Getty Images There was no shortage of musical moments in 2009 — and not all of them revolved ... more info

VH1 News — Mark Hoppus, Kris Allen, Cobra Starship, Owl City, Pete Wentz and more reveal their favorite artists, albums and songs of 2009. more info