Katy Perry Vs Madonna- Anne Hathaway Glee- Britney Spears On Top- Justin Bieber Superstore Nixed- 50 Cent Almost Done With New CD- Dr Dre To Detox in April- more

The Day in Pop Digest for 1/18/11: (Jam!) Katy Perry has taken aim at Madonna for peppering her music, videos and performances with religious references, insisting she hates it when artists take spirituality "lightly." more

(Billboard) Anne Hathaway and "Glee" co-creator Ryan Murphy were apparently mixing business with pleasure at Sunday night's Golden Globe Awards. Murphy told People backstage that he "just finalized a deal with Anne tonight to come onto the show," and was even able to reveal what character she'd play. more

(Billboard) As forecast after its massive first-day airplay, Britney Spears' "Hold It Against Me" roars to a record-setting debut on Billboard's Pop Songs chart. The first single from Spears' forthcoming ninth album storms the survey at No. 16 with 4,071 plays, the highest detections total by a debuting title in the chart's 18-year history. more

(Jam!) Plans for a Justin Bieber-themed superstore at Los Angeles' shopping mecca The Grove have fallen through, according to the pop star's spokeswoman more

(Jam!) Lady Gaga has agreed to oversee the music for designer Thierry Mugler's catwalk show at the Paris Fashion Week on Wednesday and will reportedly preview her new album there. more

(Jam!) A California judge has granted Etta James' husband access to $60,000 of the ailing star's money to cover medical costs until next month more

(BBC) Nicole Kidman and country star husband Keith Urban have become parents to a new baby daughter born with a surrogate mother, they have announced. more

(Billboard) 50 Cent shared on Twitter Friday night that he is close to finishing his fifth studio album, tentatively titled "Black Magic." more

(BBC) Former newspaper editor Piers Morgan has made his debut as presenter of CNN's US talk show Tonight, with Oprah Winfrey as his first guest. more

(ASB) After a long wait and some guessing, release date of Dr. Dre's "Detox" is finally revealed. In a short video message posted by fellow musician Just Blaze on Twitter, the top-notch producer said he is eying to release the long-delayed studio album on April 20. more

(Billboard) Bruno Mars won his second solo U.K. No. 1 single Sunday with "Grenade" (Elektra//Warner Music), recording the highest sales total for a January release in the market for 15 years. more

(Jam!) Country music superstar Dolly Parton is working on a new gospel-tinged children's musical about her upbringing in Tennessee. more

(Yahoo) Starz network says Australian actor Liam McIntyre will play the title role in the second season of "Spartacus: Blood and Sand." more

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