Demi Lovato Videos

The singer revealed Simon Cowell's evil plan to torture all of the Americans at 'The X Factor' by forcing them to work on Thanksgiving.

The biggest band on the planet just happens to be a group of former The X Factor UK finalists! One Direction returned to The X Factor USA stage for an electric performance of "Story Of My Life."

The biggest band on the planet just happens to be a group of former The X Factor UK finalists! One Direction returned to The X Factor USA stage for an electric performance of 'Story Of My Life.'

On last night's THE X FACTOR on FOX, the Top 12 performed a tribute to Lou Reed with the late rocker's hit, 'Perfect Day.' Check out their incredible performance!

On last night's THE X FACTOR on FOX, actress and recording artist Selena Gomez (“Getaway,” “Spring Breakers”) performed her hit single, “Slow Down,” from her album, “Stars Dance,” and Fifth Harmony returned to THE X FACTOR stage and performed their hit single, “Me and My Girls.”

On last night's THE X FACTOR on FOX, actress and recording artist Selena Gomez ('Getaway,' 'Spring Breakers') performed her hit single, 'Slow Down,' from her album, 'Stars Dance,' and Fifth Harmony returned to THE X FACTOR stage and performed their hit single, 'Me and My Girls.'

It was '80's night on last night's THE X FACTOR on FOX and Broadway vet Rachel Potter, hoping to maintain her spot on Kelly Rowland's Over 25 team, chose to perform the classic Heart song 'Alone.'

On a night of classic Motown songs on last night's THE X FACTOR, Broadway vet Rachel Potter took it way back with her performance of the Isley Brothers' 'This Old Heart Of Mine.' Check out the performance below!

On this week's episode of Glee titled 'A Lady or a Gaga', the members of New Directions tackle their assignment of getting out of their comfort zones and determining whether they're more like 'Katy' (Perry) or (Lady) 'Gaga.'

IDOL alum Adam Lambert talked about his upcoming guest starring role on GLEE and how IDOL helped prepare him for his future in entertainment. In this behind the scenes video, GLEE stars Chris Colfer and Demi Lovato also share their thoughts on their talented co-star.

Demi Lovato will make her return to the KATIE stage in an episode airing November 19th. Fans had the opportunity to tweet questions to the super star who stuck around the Katie set a while longer to answer them!

Disney's newest animated feature film FROZEN boasts not only one of the most Broadway-centric casts of any Disney film to date - encompassing Idina Menzel, Kristen Bell, Jonathan Groff, Josh Gad and Santino Fontana - but also a score by the man behind two of the biggest hits of the 21st century on Broadway, AVENUE Q and THE BOOK OF MORMON - the gifted composer/lyricist Bobby Lopez, who collaborates here with Kristen Anderson-Lopez, with a musical score provided by Chrisophe Beck. And, the talented troupe assembled extends beyond the songwriters to the directors, Chris Buck and Jennifer Lee, as well!

Disney's newest animated feature FROZEN boasts perhaps the most Broadway-centric cast of any Disney film to date, so today we are shining a special solo spotlight on each of the five major players comprising the super-cool cast of the hottest film of the winter - Kristen Bell, Idina Menzel, Josh Gad, Jonathan Groff and Santino Fontana.

Demi Lovato is gearing up to hit the road for her 2014 Neon Lights Tour, and she's bringing along Fifth Harmony.

X FACTOR judge and best-selling popstar Demi Lovato performed her song 'Warrior' live for the first time at Red Light Traffic's Dignity Gala at the Beverly Hilton Hotel, yesterday. At the event, she told the crowd it was her inaugural performance of the song - and hadn't rehearsed beforehand. Check it out below!

On last night's THE X FACTOR on FOX, it was time for The Groups to compete for one of four spots on jduge Simon Cowell's team. Check out highlight performances below!

On last night's THE X FACTOR on FOX, the youngest boy in the competition, Timmy Thames knew he had to make a big impact on the judges when he chose to sing a stirring rendition of 'New Girl In Town' from the Broadway musical 'Hairspray.'

29-year old 'Evita' star Rachel Potter, currently bartending to support her dream of becoming a recording artist, hit the stage on last night's THE X FACTOR, hoping to nab one of the four spots on mentor Kelly Rowland's 'Over 25' team.

Starting tonight, THE X FACTOR enters uncharted territory with an all-new ultimate showdown – The Four Chair Challenge.

For the last four months, MTV has been granted unmatched access to Miley Cyrus, who will unabashedly take viewers on her whirlwind journey from tween television sensation to one of pop music's most magnetic and unapologetically controversial artists