Adele is continuing to dominate the charts with her new single Hello, which is already at number one in the UK. Just days after it smashed Vevo's record for the most-viewed music video in 24 hours, Hello has also become the fastest-selling single of 2015.

Since its release on 23 October 2015, Hello has sold more than 165,000 copies in the UK with 156,000 of those from downloads. According to the Official Charts Company, the single is currently sitting at number one on the charts, four days before the official countdown is released, and is clocking up an average of 52,000 downloads per day.

Adele, 27, is on course to overtake Ellie Goulding's record for the biggest opening week sales with her Fifty Shades Of Grey soundtrack song, Love Me Like You Do, shifting 173,000 in its first week of release in January 2015. It is predicted that Adele will surpass Goulding's figures by this Friday (30 October 2015).

Hello is expected to become Adele's second number one single in the UK following the staggering success of her 2011 ballad Someone Like You, which has been certified platinum twice. Applauding the early success of Hello, Martin Talbot, chief executive of Official Charts Company, said in a statement: "What an explosive return for Adele.

Watch Adele's Hello music video:

"It is a huge challenge for any artist returning after such a huge last record – as 21 and its singles were. But Adele has smashed it right out of the park with a fantastic single, which has connected with British music fans comprehensively. She already looks set to be the queen of quarter four."

Expected to chart at number two in the UK is Justin Bieber with his new single Sorry while Sam Smith has jumped eight places to number three with his Spectre theme tune Writing's On The Wall. The James Bond ballad became the first 007 track to reach number one.

Vevo has confirmed that Hello now holds the record for the most-watched video in one day after amassing more than 27.7m views, pushing Taylor Swift's Bad Blood to second place with 20.1m views in 24 hours. Nicki Minaj now sits at number three with her x-rated music video Anaconda, which raked in 19.6m views on its first day of release. As of 27 October 2015, the Hello video has garnered over 87.6m views.

Hello marks Adele's comeback to the charts following a four-year hiatus and her long-awaited third studio album, 25, is set for release on 25 November.