Demi Lovato Slams Lady Gaga's 'Sad' SXSW Show

Lovato, who's battled addiction and eating disorders, took to Twitter to say Gaga's show wasn't 'cool' or 'artsy' at all.'

Ke$ha Sends Message To Fans From Rehab: 'Party On'

'I'll be back soon and better than ever,' read tweets from the singer's account on Tuesday (January 21).

Is 'Passenger' Britney Spears' Most Personal Song Yet?

The midtempo track surfaced on Friday afternoon and is said to be off the singer's new album, Britney Jean.

'The Voice' Recap: Kaley Cuoco's Sister Survives Blind Auditions

Briana Cuoco joins Team Aguilera after performing a cover of Lady Gaga's 'You and I.'

Britney Spears' 'Work Bitch' Reporting For Duty Next Week

Brit announces she's shooting the video for the track with 'Scream and Shout' director Ben Mor.

'The Voice' Recap: Final Five Tackle Tributes

After Usher kicks off the episode performing his new single 'Twisted,' the contestants duke it out before two more are eliminated Tuesday night.

Beyonce Responds To Kelly Rowland's 'Dirty Laundry': 'I Never Left'

'She heard how real I was and was like 'I'm so proud of you,' ' Kelly says of Bey's reaction to the track.

'The Voice' Recap: Adam Levine, Usher Have Their Own Battle Round

Judges go head to head to steal Caroline Glaser during the second night of battle rounds on Tuesday.

'The Voice' Recap: Shakira Steals Two Contestants As Battle Rounds Begin

Thanks to three steals from the judges, only three contestants were sent home in the first battle round of the season Monday night.

Beyonce Reps Houston On New Song 'Bow Down/I Been On'

New track and artwork are posted on the singer's website Sunday.

Justin Bieber Makes Up For Grammy Live-Stream Fail With New Song

'My fans are just overpopulating the sites,' Bieber says in a video message posted on Sunday night.

Frank Ocean Calls Grammy Recognition 'An Honor'

'I owe it to all the people around me,' singer tells MTV News of his success.

Did John Mayer Turn Katy Perry Into A Miguel Fan?

'My boyfriend and I listen to it all the time. He actually turned me on to it,' Perry tells Miguel of his tune 'Adorn' at Clive Davis' pre-Grammy party on Saturday.

Justin Bieber Pokes Fun At Scandals During 'SNL' Double Duty

One of pop singer's skits includes humorous apology for smoking weed.

Jennifer Lawrence Makes Herself The Target On 'SNL'

The Lumineers also continued their momentum with performances of their latest singles, including current hit 'Ho Hey.'

Britney Spears And Jason Trawick Break Up

'They came to the difficult decision to go their separate ways while continuing to remain friends,' singer's rep tells People.

L.A. Reid Will Not Return For Season Three Of 'X Factor'

'I'm honored to have sat on the panel with such incredible talent,' Reid says in a statement.

'The Voice' Results: One Coach Loses Whole Team

Ne-Yo and Matchbox Twenty also serve up some entertainment as Team Adam's Melanie Martinez and Amanda Brown are sent packing.

Carly Rae Jepsen, The Wanted Rock Thanksgiving Day Parade

Flo Rida and Cody Simpson also performed at Macy's 86th annual extravaganza on Thursday morning.

Britney Spears And will.i.am's 'Scream And Shout' Video To Premiere On 'X Factor'

Ben Mor-directed clip will make debut on November 28 episode.

'The Voice' Results: Christina And Cee Lo Perform As Two Go Home

Musical guest Jason Aldean and judge Blake Shelton also perform before Michaela Paige and Adriana Louise get the boot.

'The Voice' Top 12 Vie For America's Vote In Live Round

Bryan Keith proved to be a 'breakout' and Trevin Hunte performed like a 'natural-born champion' on Monday night's episode.

'The Voice' Narrows It Down To Top 12!

Maroon 5 and season-two winner Jermaine Paul perform new singles on Thursday night.

'The Voice' Contestants Battle Through Playoffs For Spot In Final 12

Teams Christina Aguilera and Cee Lo Green duke it out in the last round of live playoffs Wednesday night.