Olly Murs, One Direction And Little Mix Star In X Factor Anniversary Mash-Up - Video

The show's most successful artists and groups are featured in a new mash-up music video.

The biggest stars from The X Factor, including One Direction, Union J and Olly Murs all feature in a new mash-up music video celebrating ten years of the reality show.

The ITV series is approaching its tenth series this year and has released the mash-up megamix this week to show off all of the big stars the show has helped launch over the years.

One Direction's 'What Makes You Beautiful', Olly Murs' 'Heart Skips A Beat' and Leona Lewis' 'Bleeding Love' all featue heavily throughout the newly unveiled mash-up, as well as appearances from winners like Alexandra Burke, James Arthur, Joe McElderry, Shane Ward and Little Mix.

JLS, Cher Lloyd,  Amelia Lily and Misha B all also appear throughout the promo, released this week as an advert for the upcoming anniversary.

Watch the newly unveiled X Factor anniversary mash-up below:

Fans online have noted the absence of several former winners and fan-favourites from the new mash-up, including Leon Jackson, Steve Brookstein, Matt Cardle, Diana Vickers and Jedward.