Jessica Sager

Demi Lovato hit the stage at the annual 'Christmas in Washington' special, and the adorable 'X Factor' judge brought her signature rock edge and powerhouse vocals to the table.

In news that we thought happened already, Ashton Kutcher has filed for divorce from Demi Moore.

Beyonce and Selena Gomez are among a litany of stars that have lent their faces and voices to the gun control cause. The 'Love on Top' and 'Love You Like a Love Song' singers are speaking out in the latest 'Demand a Plan' public service announcement.

Romance is Deadmau5.
The EDM star and Twitter troll proposed to 'L.A. Ink' star Kat Von D. Over Twitter. Because attention.

Justin Bieber is heading to the small screen -- well, sort of. The 'Boyfriend' singer is working with ABC to develop a single-camera (think '30 Rock'-style) sitcom about his life.

Jennifer Lopez has come under fire for some of her choices in investments and endorsements (hey, Fiat!), but this may be the first time the business savvy star has actually gotten sued over them. La Lopez and none other than NBC weatherman Al Roker are being sued ... by a bounty hunter!

Kat Von D is taking every imaginable step to delete the drama from her life. First she got a restraining order against a stalker, and now she's getting rid of possibly the dumbest thing she's ever done: Jesse James.

Jason Mraz, like Ed Sheeran, seemed a somewhat unlikely fit for the hyper poppy 2012 Z100 Jingle Ball lineup, but he fit in seamlessly at last night's (Dec. 7) Madison Square Garden super show.

Good news for Beliebers! Justin Bieber is riding on the success of 'Believe' with another record soon. The Biebs is going acoustic!

Rick Ross has canceled his two North Carolina tour dates following threats of gang violence.

Katy Perry and Carly Rae Jepsen shared the spotlight at the Billboard Women in Music Event, where the two technicolored starlets were the guests of honor.

Two of the prettiest people on the planet are acting a little less ugly to one another.
After a tumultuous and sometimes violent week, Gabriel Aubry and Halle Berry have finally come to a temporary agreement over the custody of their 4-year-old daughter Nahla.