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Lily Allen has returned to the top of the UK singles chart with her cover version of Keane's Somewhere Only We Know.

The song, used in a festive television advert for department store John Lewis, is tipped to be Christmas number one.

In the album chart, One Direction have hung on to the top for a second week with Midnight Memories.

Former X Factor winner Leona Lewis scraped into the top 25 with her cover album Christmas With Love.

She was just beaten by Britain's Got Talent finalists Richard And Adam, whose Christmas Album debuted at number 24.

However, it was a poor week for high new entries on both charts.

Struggling to displace Allen in the singles chart were One Direction with Story Of My Life, Bastille's Of The Night and last week's number one, Under Control by Calvin Harris, Alesso and and Hurts.

Gary Barlow's Let Me Go was unmoved at number five.

Former X Factor Rebecca Ferguson was highest new entry with her latest single, I Hope at number 15.

The 27-year-old Liverpool singer-songwriter shot to fame in 2010 after becoming the runner-up on that year's X Factor. Her new album, Freedom, charted at number six.

Last year's winner, James Arthur, who is still fighting a public backlash after making a public apology for homophobic comments, saw his single Recovery enter the chart at 19.

The Christmas race is still two weeks off but it did not stop Mariah Carey's 1994 hit, All I Want For Christmas Is You, rising 33 places to number 14, while The Pogues and Kirsty MacColl's Fairytale Of New York climbed 37 places to number 16.