New three-year ITV deal for The X Factor and Britain's Got Talent

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The X Factor and Britain's Got Talent will remain on screen until at least 2019 after ITV announced a new three-year deal for both shows.

The announcement comes after talent show The X Factor returned last month with its lowest launch ratings in 10 years - despite a major overhaul by Simon Cowell.

Cowell said: "I want to thank ITV for continuing to be fantastic partners. I'm delighted for the shows and, in particular, for all the talented people who work on them with us."

ITV's director of television Kevin Lygo said the shows will continue to be stars of the schedule.

"Britain's Got Talent and The X Factor are both big, brilliant, wonderful shows and I am delighted that they will continue to take up their place as an important part of our schedule for the next three years," he said.

"They are defining shows for us, ones that we are very proud to have as part of our entertainment slate, and they continue year after year, for months at a time, to be amongst the most popular and hugely entertaining formats on television."

The new deal begins with Britain's Got Talent in spring next year, followed by The X Factor in the autumn.

Thames TV managing director Richard Holloway said: "I'm delighted that we are continuing our successful relationship with ITV for a further three years. We are immensely proud of Britain's Got Talent and The X Factor and we look forward to entertaining viewers for years to come."

This year Louis Walsh and Sharon Osbourne returned as X Factor judges - alongside Cowell and Nicole Scherzinger.

Dermot O'Leary is also back hosting the show, following a less successful stint with Caroline Flack and Olly Murs last year, when it was beaten by BBC1 show Strictly Come Dancing in the ratings.

This Saturday sees the room auditions coming to an end, as the judges decide who will enter Boot Camp.

The final of Britain's Got Talent, with judges Cowell, David Walliams, Amanda Holden and Alesha Dixon, also drew the lowest audience in the show's 10-year history, an average of eight million people according to overnight figures, when it aired in May.

The X Factor made its hugely successful debut on ITV in 2004, and was snapped up around the world.

Since then it has spawned major chart successes such as One Direction and Leona Lewis.

Last year's winner Louisa Johnson's debut single Forever Young reached number nine in the charts.

Britain's Got Talent, featuring dancing dogs, burlesque dancers and street dancers, followed three years later in 2007 and was won by Paul Potts and later propelled Susan Boyle into fame.

Last Saturday's X Factor had 7.4 million viewers and a 36% share, making it the most watched programme of the weekend, according to ITV.