Lady Gaga Leak May Upset Rihanna- Simon Cowell Won't Judge X Factor- George Michael Free Royal Wedding Song- Cee Lo Green Slams American Idol- Adele Foo'd- more

The Day in Pop Digest for 4/18/11: (Billboard) Lady Gaga's "Judas," which leaked to the Web Friday morning (April 15), was rush-released to the iTunes Store and could possibly debut at No. 1 on the Hot 100 next week. Up until Friday morning, it seemed like Rihanna was on course for her 10th No. 1 with "S&M." more. You can listen to Gaga's new song here

Lady Gaga has also given her fans another treat, unveiling the official "Born This Way" album cover on Twitter. Check it out here

(BBC) Simon Cowell will not appear as a weekly judge on the forthcoming series of the UK version of The X Factor, ITV confirms. more

(Billboard) "Jersey Shore" cast member DJ Pauly D is currently in talks with 50 cent, who wants to sign him to his label G-Unit for a three-album deal. more

(Billboard) NBC's "The Voice" isn't pulling any punches when it debuts April 26 at 9 p.m. And neither is musician coach Cee Lo Green. He says, "Quite honestly, I felt like 'American Idol' and these other entities had run their course." (He admits the series has since improved with new hosts Jennifer Lopez and Steven Tyler.) more

(Jam!) A desperate Lady Gaga fan has been charged with animal cruelty for allegedly killing her cat and using the dead pet's blood to complete an outfit she planned to wear to one of her heroine's concerts. more

(BBC) Foo Fighters end Adele's record-breaking 11-week stay at the top of the UK album chart, according to the Official Charts Company more

(Billboard) "Go," the first single off Santigold's sophomore album, titled "American Dreaming," was released online last week (Apr. 14) as a stream. The rambunctuously eerie track features Yeah Yeah Yeahs frontwoman Karen O. Listen here

Rebecca Black's viral hit 'Friday' is set for the Glee treatment. But with all the Glee auto-tuning will it sound any different from the original? NME has details about the Gleeked version here

(Jam!) Singer Christina Aguilera's five-year marriage to Jordan Bratman is officially over. more

(BBC) Samuel L Jackson is to make his debut on Broadway this autumn, playing Martin Luther King Jr in a play first staged in London more

(Jam!) Miley Cyrus is glad her parents decided to reconcile because she wouldn't have considered travelling abroad on her planned world tour while her family was feuding. more

(FMQB) Colbie Caillat will release All Of You, her third album for Universal Republic Records, on July 12. The album will feature a collaboration with Common on the track "Favorite Song" more

(Jam!) Big-hearted rapper Snoop Dogg has taken in a troubled teen and is teaching him much-needed life lessons at his Los Angeles mansion. more

(AP) George Michael isn't invited to the royal wedding, but he has recorded a song for Prince William and Kate Middleton. The musician is making the track available to download for free, but hopes fans will make a donation to the Royal Wedding Charity Fund. more

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