The fervor surrounding the boyband December 10, assembled by Simon Cowell, is evoking comparisons to the early days of One Direction, with intense fan devotion and strong album sales marking their rise. The group, which emerged from Cowell's Netflix talent show "Simon Cowell: The Next Act," has cultivated a passionate fanbase known as the 'Tenners,' who demonstrate extreme dedication, queuing for hours before performances and creating elaborate fan merchandise. This level of hysteria is reminiscent of the peak of boyband fandom, a phenomenon Cowell has previously mastered.

Chart Performance and Fan Engagement

While December 10's debut single, "Run My Way," initially charted at a modest No. 72, selling just over 6,300 units in its first week, the group's momentum has since accelerated. Their debut album, "On Your Side," has reached No. 5 in the UK charts and No. 3 in Ireland. The band has also achieved the highest-selling EP of 2026 thus far, representing the biggest debut of its kind in the past decade. Across streaming platforms and social media, December 10 has amassed over 30 million streams, 22.9 million YouTube views, and a combined social media following of 3.7 million.

Cowell, who has a history of launching successful boybands like Westlife and One Direction, expressed initial frustration at the early chart performance of December 10 but remained confident in their potential. Music industry insiders have noted the current level of teen hysteria surrounding the group is comparable to the initial hype around One Direction.

The band, comprised of Cruz Lee-Ojo, Hendrik Christoffersen, John Fadare, Josh Olliver, Nicolas Alves, Sean Hayden, and Danny Bretherton, was formed after auditions across the UK and Ireland. They signed with EMI Records. Despite early sales figures, their current tour, "The Next Step," has sold out across the UK and Europe. They are also slated to perform at the Reading and Leeds festivals this summer before touring in Japan, where they are reportedly already popular.

The fans are known as 'Tenners' and many of them had already formed a long queue outside the venue at 9am – 11 hours before the band was due on

Brand Deals and Future Prospects

Beyond music sales, December 10 has secured brand partnerships with companies like Toyota and Primark. The band's success is also being felt in their live performances, with fans traveling long distances and displaying intense emotional reactions, mirroring past fan behaviors towards groups like Take That.

However, the band has encountered a minor setback with member Danny Bretherton's temporary hiatus. This pause is reportedly due to complaints about comments he allegedly made about former female classmates and girlfriends. Assurances have been given that his involvement will resume in the future.

Katie Hind had her doubts about whether Cowell (centre) could still curate a hit band, but now she thinks they are set to be the next big thing

L-R: Sean Hayden, Nicolas Alves, Hendrik Christoffersen, Danny Bretherton, (back) John Fadare, (front) Cruz Lee-Ojo and Josh Olliver