The Day in Pop Digest for 1/28/11: (BBC) Charlie Sheen has been taken to hospital in Los Angeles with severe abdominal pains, his publicist says. Publicist Stan Rosenfield gave no other details of the 45-year-old's condition. more(Jam!) Katy Perry appears on the cover of the latest issue of Rolling Stone magazine wearing just a blush two-piece lingerie set and a sultry look, while she dons only fishnet stockings for one sexy beach shot inside the magazine. more
(Billboard) An arrest warrant has been sent out for former "American Idol" contestant Chikezie Eze, after the 25-year-old failed to appear at a Jan. 14 court hearing. more
(Billboard) Bruno Mars' "Grenade" returned to the No. 1 slot on the Billboard Hot 100 singles chart Thursday, ending Britney Spears' one-week reign for "Hold It Against Me" which tumbled to No. 6. more
(BBC) Donald Sutherland has been honored with a star on the Hollywood Walk of Fame in Los Angeles. The 75-year-old's honor was unveiled outside the Roosevelt Hotel next to the star of his son, Kiefer. more
(FMQB) There is going to be a lot of very sleepy tween girls running around as Justin Bieber will appear on the Late Show with David Letterman twice next week. more
(Billboard) While she may not be like a Virgin to the Festival de Cannes, Madonna plans to head back to the Croisette in May to present her feature film W.E more
(NME) Nas owes $6.4 million in unpaid taxes, say IRS. The rapper has also reportedly not paid rent on his flat for almost a year more
(FMQB) Tori Amos has written the music and lyrics for a new musical theater performance, set to debut in London next year. more
