MTV.com News — Ke$ha, Kristen Bell, Josh Duhamel, LL Cool J also announced as presenters for January 31 show.By Gil Kaufman Justin Bieber Photo: Michael Loccisano/ Getty Images Miley Cyrus, Ke$ha, the Jonas Brothers and LL Cool J. Also scheduled to presen... more info

VH1 News — Justin Bieber, Miley Cyrus, the Jonas Brothers, Ke$ha and others were announced as presenters at the 52nd annual Grammy Awards, taking place on January 31. more info

Rolling Stone — • News Ticker: Grammys, Rob Zombie • Vampire Weekend Celebrate Contra in L.A. • Ke$ha Boots Boyle, Tops the Charts • Johnny Cash’s American VI Due Feb. 26th • Simon & Garfunkel Join Jazz Fest Lineup • Madonna’s Sticky Tour Coming to D... more info

Rolling Stone — The Jonas Brothers, Ke$ha, LL Cool J, Norah Jones and Santana will be giving away trophies at January 31st’s Grammy Awards in Los Angeles. The list of presenters also includes Santana, Miley Cyrus, Ringo Starr, Justin Bieber and Ricky Martin. LCD ... more info

ET Online — ET was backstage at "Late Night with Jimmy Fallon" on Wednesday, and we dished with the funnyman host and his musical guest, chart-topper Ke$ha, about the late-night buzz making headlines. Ke$ha, whose single “TiK ToK” is No. 1 on B... more info

411 Mania — It's the album that knocked Susan Boyle off the top, but is it any good? more info

411 Mania — First-day sales project to a vampiric chart-topper! more info

411 Mania — Is Ke$ha the next big thing? Is Hendrix the greatest of all time? Will the new Beatles 3-D movie make bank? Will this season of “American Idol” tank? 411’s Mitch Michaels and Aaron Mayagoitia discuss this and more in the l... more info

Undercover, Australia — Ke$ha has brought the six week chart dominance of Susan Boyle to an end in the USA. more info

The Newsroom — The latest entertainment and celebrity headlines including Wyclef Jean asks for help for Haiti, Ke$ha bumps Susan Boyle from the top spot and Clooney is honored at National Board of Review gala. more info