The show's 2011 finalists, joined by former boyband contestants One Direction and JLS, have topped the chart with a cover of the 1970s classic Wishing On A Star.

The original version by Rose Royce peaked at number three in 1978.

Former X Factor contestant Olly Murs was in second spot with Dance With Me Tonight.

And coming in sixth was the show's judge Kelly Rowland with Down For Whatever.

Christmas songs have begun creeping into the charts, with The Pogues and Kirsty MacColl's Fairytale Of New York at number 47 and Mariah Carey's All I Want For Christmas Is You at 64.

Olly, the 2009 X Factor finalist and current Xtra Factor presenter, topped the album chart with In Case You Didn't Know, trumping Michael Buble's Christmas.

Rihanna's Talk That Talk, last week's number one, sold more than 100,000 copies to make this week's number three.

After Olly, the next highest new entry is pop-opera quartet Il Divo's Wicked Game which ranked sixth.

Bruno Mars's multi-platinum former number one Doo Wops & Hooligans is up three places at number 10. It has spent a total of 34 weeks in the Official Albums Chart Top 10 this year, having ranked number one in January.