Simon Cowell Videos

U.K. stars Ian McKellen, Helen Mirren (THE AUDIENCE), Simon Cowell, Naomi Campbell, Eddie Redmayne, Benedict Cumberbatch, Sienna Miller and Robert Pattinson lent host Seth Meyers a hand at last night's RED NOSE DAY

'Fire Under My Feet' is the first listen off Leona Lewis' upcoming album. Pre Order Fire Under My Feet and check out the video below!

Michael Douglas and Simon Cowell were among the guests on last night's LATE LATE SHOW WITH JAMES CORDEN on CBS.

Tony Award winner James Corden made his LATE LATE SHOW hosting debut on CBS last night. The 'Into the Woods' star opened the show with a hilarious explanation as to how he got the gig

Fifth Harmony get into holiday spirit with their cover of Mariah Carey's 1994 holiday classic, 'All I Want For Christmas Is You.' Check out the video below!

Fifth Harmony announced their NEW single 'Sledgehammer' During a live chat on Thursday, October 23rd, Fifth Harmony announced their newest single 'Sledgehammer', from their highly anticipated album 'Relection.'

On last night's finale of NBC's AMERICA's GOT TALENT, multi-talented Grammy, Emmy and Tony-winner Cyndi Lauper joined finalist Emily West in a duet of the rockers hit single 'True Colors.'

Grammy Award winning recording artist and Academy Award winning actress, Jennifer Hudson performed her new hit single, 'It's Your World' on last night's AMERICA'S GOT TALENT live results show.

On last night's AMERICA'S GOT TALENT on NBC, Maroon 5 stopped by to perform their new hit single 'Maps'. Check out the appearance below!

X FACTOR's Alex and Sierra have released official music video for their single 'Scarecrow.' Check it out below!

Fifth Harmony has shared the official video for their new single 'Bo$$.' Check it out below!

Smoothini will make his next appearance on the show's “Judgment Week” round (July 22 and 23 on NBC). Watch below as Smoothini wows the crowd and makes Howie Mandel's pen disappear up his nose!

During his appearance on last night's JIMMY KIMMEL LIVE, rapper 50 Cent shared his "MaleFiftyCent" trailer, a hilarious spoof on the hit Disney film. Check it out below!

TV host and 'America's Got Talent' judge Howie Mandel stopped by this morning's TODAY to discuss the new season of the NBC talent competition. Check out the appearance below!

X FACTOR's Alex and Sierra have released the lyric video for their single 'Scarecrow.' Check it out below!

Every year JIMMY KIMMEL LIVE invites the winners of the National School Scrabble Championship to come to LA and play against the host.

From time to time, JIMMY KIMMEL gathers those insults and package them together to illustrate the fact that words can hurt.

Iggy Azalea teamed up with Charli XCX for a performance of the hit single 'Fancy' on JIMMY KIMMEL LIVE outdoor stage last night.

Julia Roberts and Sally Field, who co-starred in the 1989 film Steel Magnolias, stopped by last night's JIMMY KIMMEL LIVE on ABC and faced off in a competitive game of 'Celebrity Curse Off.'

JIMMY KIMMEL went to visit his friends at Legends Barbershop in LA to ask them what they think about the Donald Sterling scandal. They had a lot of thoughts.