Ant & Seb

ANT & SEB are a duo from Wales who auditioned for the fifth series of The X Factor. They are known for their entertaining rendition of “Mysterious Girl,” which quickly became one of the show’s most iconic and widely shared performances. During the audition, Ant led with smooth vocals while Seb delivered unexpected Jamaican-inspired, robotic rap adlibs and comedic flair. Although the judges criticised Seb’s performance, audiences loved it, and the audition went viral, inspiring memes such as “When your mum says take your brother with you,” and generating widespread media attention across the UK for their unique style.

The duo will perform their crowd-favourite version of “Mysterious Girl,” alongside fun, feel-good tracks and their viral Christmas charity single, the comedy song Sprinkle It, which reached No.1 on the Amazon Music Hot New Releases Chart, ranking ahead of major international artists including Drake and Post Malone at the time of release.

Despite failing to impress Simon Cowell and advance as a novelty act, they have taken social media by storm. After sharing a brief clip on TikTok revealing their return, the response was phenomenal — within just 24 hours the clip amassed more than 480,000 views, with countless comments pouring in. Supporters have been eager to mark the occasion, with reactions including, “This is the best day of my life.